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An allele is a variant of the sequence of nucleotides at a particular location, or locus, on a DNA molecule. Alleles can differ at a single position through...

In genetics, dominance is the phenomenon of one variant (allele) of a gene on a chromosome masking or overriding the effect of a different variant of the...

Allele frequency, or gene frequency, is the relative frequency of an allele (variant of a gene) at a particular locus in a population, expressed as a...

Lethal alleles also known as lethals, are alleles that cause the death of the organism that carries them. They are usually a result of mutations in genes...

alleles are being passed from past generations to future ones. They also provide a diagram displaying each individual that carries a desired allele,...

change in the frequency of an existing allele in a population due to chance. Genetic drift may cause alleles to disappear completely and thereby reduce...

A null allele is a nonfunctional allele (a variant of a gene) caused by a genetic mutation. Such mutations can cause a complete lack of production of the...

alleles with paternal alleles. These tables can be used to examine the genotypical outcome probabilities of the offspring of a single trait (allele)...

called alleles. While some genes have only one allele because there is low variation, others have only one allele because deviation from that allele can...

Minor allele frequency (MAF) is the frequency at which the second most common allele occurs in a given population. They play a surprising role in heritability...

population genetics, the allele frequency spectrum, sometimes called the site frequency spectrum, is the distribution of the allele frequencies of a given...

allele as well, which means a spotted cat has an Sp Sp or Sp sp genotype along with at least one Tm allele and at least one A allele at those alleles’...

recessive manner. It is caused by the presence of mutations in both copies (alleles) of the gene encoding the cystic fibrosis transmembrane conductance regulator...

used to refer to the alleles or variants an individual carries in a particular gene or genetic location. The number of alleles an individual can have...

its sequence, leading to different variants, known as alleles, in the population. These alleles encode slightly different versions of a gene, which may...

as the Hardy–Weinberg equilibrium, model, theorem, or law, states that allele and genotype frequencies in a population will remain constant from generation...

Allele is an American alternative metal band from Jacksonville, Florida. The band was founded in 2002 by vocalist Wally Wood and former Otep guitarist...

probability of fixing beneficial alleles and also slightly decreases the probability of fixing deleterious alleles in a population. Inbreeding can result...

population genetics, a fixed allele is an allele that is the only variant that exists for that gene in a population. A fixed allele is homozygous for all members...

Kizuna no Allele (Japanese: 絆のアリル, Hepburn: Kizuna no Ariru) is a Japanese anime television series from Wit Studio and Signal.MD, based on VTuber Kizuna...

orange (O) allele is inactivated express the alternative non-orange (o) allele, determined by the (B) gene. Cells in which the non-orange (o) allele is inactivated...

genes are highly polymorphic, which means that they have many different alleles, allowing them to fine-tune the adaptive immune system. The proteins encoded...

TrueAllele is a software program by Cybergenetics that analyzes DNA using statistical methods, a process called probabilistic genotyping. It is used in...

this allele to between ~28,000 and ~22,000 years ago. The second most important skin-lightening factor in West Eurasians is the depigmenting allele F374...

in Europe, particular the isles and Scandinavia. B8 is a component gene-allele of the AH8.1 haplotype in Northern and Western Europeans. Genes between...

in which a single copy of the wild-type allele at a locus in heterozygous combination with a variant allele is insufficient to produce the wild-type...

In Mendelian inheritance, each parent contributes one of two possible alleles for a trait. If the genotypes of both parents in a genetic cross are known...

A pseudodeficiency allele or pseudodeficiency mutation is a mutation that alters the protein product or changes the gene's expression, but without causing...

When the new allele is created, a heterozygote containing the newly created allele as well as the original will express the new allele; genetically this...

are called alleles. DNA sequences can change through mutations, producing new alleles. If a mutation occurs within a gene, the new allele may affect the...

production of the tyrosinase enzyme that produces melanin. The colour point allele is at the C locus, where some forms of typical albinism are also located...

Genes of interest have more than one version, or allele. Usually only one or a small number of alleles exist for each gene. In any one gene locus a dog...

two copies of the same allele of a given gene are called homozygous at that gene locus, while organisms with two different alleles of a given gene are called...

and South America. Melanism is caused by a recessive allele in the leopard, and by a dominant allele in the jaguar. In 1788, Jean-Claude Delamétherie described...

of the standard "normal" allele at a locus, in contrast to that produced by a non-standard, "mutant" allele. "Mutant" alleles can vary to a great extent...

ABO gene. It happens when the transferase allele contains a mix of amino acids from either A or B alleles, producing a bifunctional enzyme that can produce...

Allele age (or mutation age) is the amount of time elapsed since an allele first appeared due to mutation. Estimating the time at which a certain allele...

one allele dominates the instructions from another, it is called the dominant allele, and the allele that is overridden is called the recessive allele. In...

or brown pigment). This gene is located on the X chromosome. The orange allele is O, and non-orange is o. Males are typically only orange or non-orange...

which produces dark shading on any coat color. The other is a specific allele of Agouti linked to a certain type of dark bay, called seal brown. The seal...

focuses only on the change in frequency of alleles within populations. The main processes influencing allele frequencies are natural selection, genetic...

makeup. Such mutative resistance is characterized by the presence of kdr alleles in the insect's genome. Knockdown resistance, first identified and characterized...

common ancestor or degree of differentiation. Populations with many similar alleles have small genetic distances. This indicates that they are closely related...

mutation, and for a discussion of allele interactions, see dominance relationship. Key: In the following sections, alleles are referred to as +=wildtype,...

pattern in a dog's coat and alleles of the PMEL gene. It results in different colors and patterns and can affect any coats. The allele creates mottled patches...

genes throughout a population by altering the probability that a specific allele will be transmitted to offspring (instead of the Mendelian 50% probability)...

Habibou Allélé (1938 in Niamey - 9/10 December 2016 in Tunis) was a Nigerien politician and diplomat. Habibou Allélé belonged to the ethnic group called...

reduction of heterozygosity (that is when an organism has two different alleles at a locus) in a population caused by subpopulation structure. Namely,...

called alleles. Alleles of a gene are simply slightly different versions of the instructions on how to make that gene's protein. The term "allele" is sometimes...

and quantified by the frequency of alleles. Two fundamental calculations are central to population genetics: allele frequencies and genotype frequencies...

Number=A,Type=Float,Description="Allele Frequency"> ##INFO=<ID=AA,Number=1,Type=String,Description="Ancestral Allele"> ##INFO=<ID=DB,Number=0,Type=Flag...

Kompetitive allele specific PCR (KASP) is a homogenous, fluorescence-based genotyping variant of polymerase chain reaction. It is based on allele-specific...

The Allele Frequency Net Database (abbreviated AlFreD) is a database containing the allele frequencies of immune genes and their corresponding alleles in...

of a particular gene (allele) in a given population to a situation where only one of the alleles remains. That is, the allele becomes fixed. In the absence...

ABO locus encodes three alleles, that is, 3 variants of the same gene. One allele is derived from each parent. The A allele produces α-1,3-N-acetylgalactosamine...

defined and still understood as meaning "alternative", and allele A and allele B are not alleles (of each other). The easiest way of talking about these...

where expression of more than one gene contributes to phenotype (or where alleles of a heterozygous gene both contribute), and the phenotypic expression...

alleles in a population that occurs when the rate at which deleterious alleles are created by mutation equals the rate at which deleterious alleles are...

contain either two copies of the dominant allele (homozygous dominant) or one copy of each dominant and recessive allele (heterozygous dominant). By performing...

the maternal Ube3a allele is inactive, the paternal allele is intact but epigenetically silenced. If unsilenced, the paternal allele could be a source...

locus and DQ2 are encoded by the HLA-DQB1*02 allele group. This group currently contains two common alleles, DQB1*0201 and DQB1*0202. HLA-DQ2 and HLA-DQB1*02...

sex-specific patterns of inheritance and presentation when a gene mutation (allele) is present on a sex chromosome (allosome) rather than a non-sex chromosome...

incomplete dominant allele with a distinct dosage effect. The DNA sequence responsible for the cream colors is the cream allele, which is at a specific...

repeat (STR) analysis is a common molecular biology method used to compare allele repeats at specific loci in DNA between two or more samples. A short tandem...

starring as Luca Ikaruga in The Idolmaster Shiny Colors, Quan in Kizuna no Allele, Ai Kamiyo in Dark Gathering, Nico Wakatsuki in Witch Watch and Elle Rokudō...

DQ8.1). A multigene haplotype is set of inherited alleles covering several genes, or gene-alleles; common multigene haplotypes are generally the result...

flaky) and mildly odored sweat. The alleles containing a guanine produce a protein that is glycosylated but alleles containing an adenine are not glycosylated...

The infinite alleles model is a mathematical model for calculating genetic mutations. The Japanese geneticist Motoo Kimura and American geneticist James...

method, a population class, a population detail, a publication, a marker, an allele, a chromosome, a base position, a heterozygosity range, or a build number...

is an interaction between two alleles at a single locus, whereby one allele induces a heritable change in the other allele. The change may be in the pattern...

the alleles for blond hair genes are recessive, people with natural blond hair would become less common as people with dominant non-blond hair alleles had...

of two alleles: C (cytosine) and G (guanine). It is associated with skin tone and hair/eye color. It is a type of missense mutation. C allele homozygosity...

are called alleles. DNA sequences can change through mutations, producing new alleles. If a mutation occurs within a gene, the new allele may affect the...

multiple high-risk exposures. Individuals heterozygous (+/Δ32) for the mutant allele have a greater than 50% reduction in functional CCR5 receptors on their...

biochemical. Both of these branches of genetics use the frequencies of different alleles of a gene in breeding populations (gamodemes), and combine them with concepts...

a depigmentation pattern. It is a dominant allele, and thus a horse needs only one copy of the gray allele, that is, heterozygous, to be gray in color...

carrier), is a person or other organism that has inherited a recessive allele for a genetic trait or mutation but usually does not display that trait...

there were 17 known alleles of agouti in mice. Lethal yellow Ay causes yellow coloration and obesity. It is dominant to all other alleles in the series. When...

parasites with allele p can attach themselves to hosts with the allele h, and P to H. Such a situation will lead to cyclic changes in allele frequency –...

known as alleles, and an allele may also be said to reside at a particular locus. Diploid and polyploid cells whose chromosomes have the same allele at a...

designed (and used) in a way that makes it specific for only one version, or allele, of the DNA being tested. The length of the ASO, which strand it is chosen...

there is significant statistical evidence that one type of the variant (one allele) is more frequent in people with the disease, the variant is said to be...

(which can estimate allele size more properly). SCA7 is caused by pathogenic CAG nucleotide expansion in a gene ATXN7. Normally ATXN7 allele contains 4 to 34...

hitchhiking, also called genetic draft or the hitchhiking effect, is when an allele changes frequency not because it itself is under natural selection, but...

disease, a 4qA allele is also required, and is a common variation in the DNA next to DUX4. The chances of a D4Z4 contraction with a 4qA allele being passed...

copy of the 2 allele and the 4 allele (APOE2,4), have an odds ratio of 2.6. Persons with one copy each of the 2 allele and the 3 allele (APOE2,3) have...

phenomenon of the gene expression, when only one of the two gene copies (alleles) is actively expressed (transcribed), while the other is silent. Diploid...

various genes is inherited from each parent. Each gene can come in several alleles, resulting in the great variety of human skin tones. Melanin controls the...

a different allele of the same gene that produces the short curly hair of the Devon Rex (termed the "re" allele), with the Sphynx's allele being incompletely...

Paleo-Indians had both variants of the EDAR gene, the derived G-allele and the ancestral A-allele. When they[who?] tested ancient DNA remains found in the Americas...

distinguishing populations from each other is hidden in the correlation structure of allele frequencies, making it possible to classify individuals using mathematical...

The frequency of the HLA-B*5801 allele varies between ethnicities: Han Chinese and Thai populations have HLA-B*5801 allele frequencies of around 8%, as compared...

pair mutation at a specific locus, usually consisting of two alleles (where the rare allele frequency is > 1%). SNPs are found to be involved in the etiology...

disorder characterized by a lower density of sweat glands. A derived G-allele point mutation (SNP) with pleiotropic effects in EDAR, 370A or rs3827760...

lactase-activity allele (the ancestral allele) from their parents, who may be homozygous or at least heterozygous for the allele. Only one high-activity allele is required...

environments, including genes related to the immune system (such as HLA alleles), skin and hair morphology, and high-altitude adaptation. Conversely, large...

(number of repeats) among individuals. Each variant acts as an inherited allele, allowing them to be used for personal or parental identification. Their...

A DNA segment is identical by descent (IBD) in two or more individuals if: they have inherited it from a common ancestor without recombination, that is...

in humans, one allele of the eye-color gene produces blue eyes and another allele of the eye-color gene produces brown eyes. allele frequency The relative...

Amplified fragment length polymorphism (AFLP-PCR or AFLP) is a PCR-based tool used in genetics research, DNA fingerprinting, and in the practice of genetic...

advantageous traits through recombination. The diagrams compare the evolution of allele frequency in a sexual population (top) and an asexual population (bottom)...

PMID 77067. Allele Query Form IMGT/HLA - European Bioinformatics Institute Middleton, D.; Menchaca, L.; Rood, H.; Komerofsky, R. (2003). "New allele frequency...

ancestry have at least one ALDH2*2 allele, while it is rare among Europeans and sub-Saharan Africans. The rs671 allele is native to East Asia and most common...

Selfish Gene (1976). A green-beard effect occurs when an allele, or a set of linked alleles, produce three expressed (or phenotypic) effects: a perceptible...

subscripts indicating the alleles present: M : normal M opsin allele L : normal L opsin allele M*: chimeric (or missing) M opsin allele L*: chimeric (or missing)...

There are many alleles within the B*51 allele group. B51 is associated with several diseases, including Behçet's disease. There are 71 alleles, 57 amino acid...

CAG repeats in each of the HTT alleles. Cutoffs are given as follows: At 40 or more CAG repeats, full penetrance allele (FPA) exists. A "positive test"...

systematic difference in allele frequencies between subpopulations. In a randomly mating (or panmictic) population, allele frequencies are expected to...

variations of alleles that are suited for the environment. Those individuals are more likely to survive to produce offspring bearing that allele. The population...

recombination scrambles alleles into different genotypes every generation; in this case, fitness values can be assigned to alleles by averaging over possible...

Microevolution is the change in allele frequencies that occurs over time within a population. This change is due to four different processes: mutation...

Allelic exclusion is a process by which only one allele of a gene is expressed while the other allele is silenced. This phenomenon is most notable for...

Chromosome DNA RNA Genome Heredity Nucleotide Mutation Genetic variation Allele Amino acid Outline Index History and topics Introduction History Evolution...

versions, or alleles give rise to different agglutinogens: the A allele codes for an enzyme that makes the agglutinogen A and similarly the B allele results...

functional group of CYP2D6 alleles, producing extensive metabolism, while functional alleles represent only around 50% of the allele frequency in populations...

locus and DQ5 are encoded by the HLA-DQB1*05 allele group. This group currently contains 4 common alleles, DQB1*0501, *0502, *0503, and *0504. HLA-DQ5...

14 allele at vWA = .10204 Probability of a Caucasian having a 17 allele at vWA = .26276 Probability of a Caucasian having either a 14 or a 17 allele (P)...

The Earth Human STR Allele Frequencies Database is a scientific project based on a dynamic web interface and a relational database management system. Its...

penetrance of potentially deleterious alleles may be influenced by the presence of other alleles, and these other alleles may be located on other chromosomes...

any color, except white, requires the presence of the allele C (color), an autosomic dominant allele that allows the synthesis of pigment in the feathers...

Dominant white (W) is a group of genetically related coat color alleles on the KIT gene of the horse, best known for producing an all-white coat, but...

variation within and between species are due to random genetic drift of mutant alleles that are selectively neutral. The theory applies only for evolution at...

associated with FTLD-C9ORF72. The major allele of these SNPs were identified as a risk factor, while the minor allele was found to be protective. Amyotrophic...

nonchestnut allele and the dominant roan allele (E and Rn), while the other chromosome contains the recessive chestnut allele and the recessive nonroan allele (e...

Fungicides are pesticides used to kill parasitic fungi or their spores. Fungi can cause serious damage in agriculture, resulting in losses of yield and...

is subdivided into two allele groups, DRB5*01 and DRB5*02. B5*01 encodes 14 alleles and 11 isoforms. B5*02 encoded 4 alleles that can generate 4 isoforms...

known alleles, respectively. Many HLA alleles are ancient, sometimes of closer homology to a chimpanzee MHC alleles than to some other human alleles of the...

inactivated the normal allele. Thus, although inactivation is initially random, cells that inactivate a normal allele (leaving the mutated allele active) will eventually...

causes alleles to become fixed in a population. Drift load is the decline in fitness in a population due to the fixation of deleterious alleles. An example...

homozygous for deleterious recessive alleles that produce such disorders (see Inbreeding depression). Because most such alleles are rare in populations, it is...

Different alleles or gene variants code for differences in the melanin found within the skin. Within some groups are high frequencies of dark skin alleles, while...

tissues. Several of these red blood cell surface antigens can stem from one allele (or an alternative version of a gene) and collectively form a blood group...

form of mosaicism, where some cells express one allele (KB) and other cells express a different allele (ky), a little like tortoiseshell cats. This makes...

Herbicides (US: /ˈɜːrbɪsaɪdz/, UK: /ˈhɜːr-/), also commonly known as weed killers, are substances used to control undesired plants, also known as weeds...

expresses a nonsense point mutant, with expression identical to the original allele. Therefore, in respect to the relationships between the original and mutated...

The two possible nucleotide variations of this SNP – G or A – are called alleles. SNPs can help explain differences in susceptibility to a wide range of...

pair denotes the two allele values for the marker - one value is inherited from each of the subject's parents. If both alleles are the same, then only...

maintains multiple alleles at a certain locus. In detail, any of the several alleles will follow certain dynamics; When a certain allele is high in frequency...

glandular epithelia. FUT2 has a dominant allele which codes for an enzyme (designated Se) and a recessive allele which does not produce a functional enzyme...

When a dog has wild-type alleles at all three genes, it will have a yellow coat. When the dog has a loss-of-function allele at MC1R, it will have a yellow...

than one allele occupies that gene's locus within a population. In addition to having more than one allele at a specific locus, each allele must also...

a homozygous state (which would require the presence of two identical alleles in the cell). The exact targets for LOH are not characterised for all chromosomal...

AlleleID designs oligos for strain differentiation and taxa specific assays. This aids in bacterial identification, pathogen detection and species identification...

Chromosome DNA RNA Genome Heredity Nucleotide Mutation Genetic variation Allele Amino acid Outline Index History and topics Introduction History Evolution...

differential survival of competing genes, increasing the allele frequency of those alleles whose phenotypic trait effects successfully promote their...

gene product isoforms. HLA-DPA1 Alleles HLA-DPB1 Alleles Before the April 2010 HLA nomenclature update, new HLA-DPB1 allele names were assigned within the...

HLA-B15 (B15) is an HLA-B serotype. The serotype identifies the B*15 gene-allele protein products of HLA-B. B15 is a broad antigen and can be subdivided...

during night hunting. Typically, adaptive melanism is heritable: A dominant allele, which is entirely or nearly entirely expressed in the phenotype, is responsible...

particular class I major histocompatibility complex (MHC) allele group at the HLA-A locus. The A*02 allele group can code for many proteins; as of December 2013...

HLA-DR17 and HLA-DR18 split 'antigens' serotypes. DR3 is a component gene-allele of the AH8.1 haplotype in Northern and Western Europeans. Genes between...

artificial selection on one trait favors one allele, while selection on other traits favors a different allele. Pleiotropic mutations can sometimes be deleterious...

An amorph is a mutated allele that has lost the ability of the parent allele (whether wild type or any other type) to encode any functional protein. An...

(ADP) Ala Alagille syndrome Albino Alcoholism Alkylating agent Allele Allele frequency Alleles Allopolyploid Allosteric protein Allozyme Alternative splicing...

all ethnicities. FOP is caused by an autosomal dominant allele on chromosome 2q23-24. The allele has variable expressivity, but complete penetrance. Most...

("l"), but it can be subdivided further. The short (s)- and long (l)- alleles have been thought to be related to stress and psychiatric disorders. In...

There are two different alleles in calico cats, one received from each parent, that can determine their fur coloration: each allele is responsible for either...

inherit all alleles of the gene in question, or incomplete lineage sorting will occur, when one or both daughter species inherits a subset of alleles present...

Sickle cell trait describes a condition in which a person has one abnormal allele of the hemoglobin beta gene (is heterozygous), but does not display the...

often to describe the phenotypic expression of different combinations of alleles in different individual organisms within a single population, such as the...

describes the negative epistatic interactions that occur between different alleles (versions) of different genes with a different evolutionary history. These...

Leucistic white lions owe their colouring to a recessive allele. Note the eyes and lips remain the normal colour. Studies have shown that the reduced pigment...

HLA-B75 (B75) is an HLA-B serotype. The serotype identifies certain B*15 gene-allele protein products of HLA-B. B75 is one of many split antigens of the broad...

(For terminology help see: HLA-serotype tutorial) B*1801, the most common allele is at highest frequencies in Northern Italy and the Balkans, a peak frequency...

other serotype recognition of some DRB1*13 and DRB1*14 alleles DRB1* DR13 DR6 DR14 Sample allele % % % size (N) 1301 81 14 1 3788 1302 74 17 2 3081 1303...

inherits two alleles, one from each parent, that make up the genotype. The observed characteristic, the phenotype, is determined by the dominant allele in the...

carried the ancestral allele at rs16891982 and the derived allele at rs1426654 (S1 Table). The presence of the rs1426654 light-skin allele, in addition to five...

and efficiently create heritable mutant alleles at loci of interest in the germ line, and ZFN-induced alleles can be propagated in subsequent generations...

known causes of the sabino patterns are the SB-1 allele and several other dominant white (W) alleles on the KIT gene. The genetics behind some types of...

but some think it is caused by an allele of agouti called At. A DNA test said to detect the seal brown (At) allele was developed, but the test was never...

027. ISSN 0092-8674. PMC 6327247. PMID 30415837. Our finding of no excess allele sharing with non-Native American populations in the ancient samples is also...

OO1, the asteroid 10111 Fresnel 1997 OO1, the asteroid 9987 Peano O01, an allele, see ABO O01 Heussler Hamburg Heliport, see list of airports in New York...

of a recessive trait mimics a dominant pattern. Normally, two recessive alleles need to be inherited (one from each parent) for the recessive trait to...

the A allele of the single nucleotide polymorphism rs17822931 in the ABCC11 gene associated with dry-type earwax. The proportion of A alleles (dry-type...

serological reaction of DR10 is relatively good. DR10 serotype or cognate alleles are associated with: Lichen planus DRB1*1001 is associated with ovarian...

haplotype in Europeans is HLA A3-Cw7-B7-DR15-DQ6.2 which is composed of alleles A*0301:Cw*0701:B*0702:DRB1*1501:DQA1*0102:DQB1*0602. In persistent sarcoidosis...

completely homozygotic for an "A" allele, allowing exploitation of a particular resource. Eventually, a polymorphic "a" allele may be introduced into the population...

centenarians. The serology for the most common DR1 alleles is excellent. The serology for alleles *01:04, *01:06, *01:09, *01:10, *0112, *0115, and *0116...

cats occur because there is a white spotting gene present with a recessive allele of the agouti gene. The agouti gene evens out the striped pattern within...

one defective allele tends to result in milder deficiency than two defective alleles; for example, carriers with an MS (or SS) allele combination usually...

tumors. However, several characterized alleles of EPAS1 contribute to high-altitude adaptation in humans. One such allele, which has been inherited from Denisovan...

where individuals with two different alleles have a selective advantage over individuals with just one allele. The polymorphism at the human ABO blood...

are a variety of DTC genetic tests, ranging from tests for breast cancer alleles to mutations linked to cystic fibrosis. Possible benefits of DTC genetic...

Pesticide resistance describes the decreased susceptibility of a pest population to a pesticide that was previously effective at controlling the pest....

represent more than half the HLA alleles of modern Eurasians, indicating strong positive selection for these introgressed alleles. Corinne Simoneti at Vanderbilt...

diagram). In allele c, there are five repeats in the VNTR, and the probe detects a longer fragment between the two restriction sites. In allele d, there are...

Currently there are 7,678 Class I alleles and 2,268 Class II alleles. HLA Naming can be quite confusing at first. All alleles start with "HLA", signifying...

large number of alleles, subsequently making it very difficult to search for a specific gene in which the alleles were present. An allele is considered...

research methods, scientists can study the changes in the frequency of an allele occurring in a tiny subset of the population over a single lifetime, the...

the dominant SB1 allele at the Sabino 1 locus, which has been mapped to KIT. Sabino-white was one of the earliest dominant white alleles discovered, but...

Soltani, N. J.; Golalipour, M (February 2008). "Variation of DAT1 VNTR alleles and genotypes among old ethnic groups in Mesopotamia to the Oxus region"...

products. The DR4 serogroup is large and has a number of moderate frequency alleles spread over large regions of the world. The serological identification...

to *0709, and *0711 to *0714 serotypes is unknown. DRB1*0710N is a null allele. DRB1*0702 nomenclature has been deleted. DR7 is positively associated with...

mutated allele, but themselves are healthy—can now be reliably identified with a DNA test. Both parents must be carriers of one copy of the LWS allele for...

populations. It is most common in individuals homozygous for a recessive allele on chromosome 16 that produces an altered version of the MC1R protein. Red...

cases only. Specifically, individual females must be heterozygous for two alleles of the opsin gene (red and green) located on the same locus of the X chromosome...

to the fact that dominant advantageous alleles are more likely to fix in the population than recessive alleles. Haldane's sieve is particularly relevant...

heterozygosity is the condition of having two or more heterogeneous recessive alleles at a particular locus that can cause genetic disease in a heterozygous...

originating among Finno-Ugric peoples to high rate of suicide, claiming an allele common among them is responsible. Mari and Udmurts have been found to have...

Bujnicki JM, Shibata H, Fukumaki Y, et al. (June 2012). "Crohn's disease risk alleles on the NOD2 locus have been maintained by natural selection on standing...

Chile. It was bred to retain the blue-egg gene but eliminate the lethal alleles of the parent breed. There are both standard-sized and bantam versions...

shared genetic mechanisms. There may be shared genes in which particular alleles make an individual vulnerable, and varying combinations result in differing...

mathematical work described fitness as a function of allele frequencies. Here, each dimension describes an allele frequency at a different gene, and goes between...

geneticists, the term has included the avoidance of inbreeding without altering allele frequencies; for example, British-Indian scientist J. B. S. Haldane wrote...

organisms have different sets of genes for every trait (called alleles). Offspring inherit one allele for each trait from each parent. Thus, offspring have a...

cream to mahogany. The trait is caused by M264V (EM), a completely dominant allele (form) of the melanocortin 1 receptor gene. At minimum, a melanistic mask...

samples from West Africa shared alleles with samples from Southern Africa, and samples from Central Africa shared alleles with samples from Asia. This phenomenon...

dwarf. False dwarfs have zero alleles for dwarfism out of the two which makes them larger than usual. Peanuts have two alleles for dwarfism, which can only...

showcasing exotic animals. Their rarity could be because the recessive allele is the result of a one-time mutation, or because white tigers lack adequate...

homologous alleles are identical by descent. More simply, it is the probability that an allele selected randomly from an individual, i, and an allele selected...

the singleness allele is closely linked to a pollen-lethal gene. Thus the pollen (male) contribution to seed is always a doubleness allele, while the female...

Chromosome DNA RNA Genome Heredity Nucleotide Mutation Genetic variation Allele Amino acid Outline Index History and topics Introduction History Evolution...

have type B. Those with IAIB have type AB. Map of allele IA among native populations Map of allele IB among native populations Map of blood group O among...

variants do exist in human populations, they probably segregate as rare alleles or originate from somatic mutations and present with clinical phenotypes...

Allele series for Dutch spotting in rabbits. From left to right: Du (black), du (dark Dutch), du+ (Medium Dutch), duW (White Dutch)....

conversion can be either allelic, meaning that one allele of the same gene replaces another allele, or ectopic, meaning that one paralogous DNA sequence...

major occurs when a person inherits two abnormal alleles. This can be either two β+ alleles, two β0 alleles, or one of each. Beta thalassemia major is a severe...

example, suppose a biologist wished to identify whether a hypothetical allele Z, a variant of some gene A, is on the male or female sex chromosome. They...

000-year-old allele. While it is not yet known exactly what selective advantage is provided by this gene variant, the Haplogroup D allele is thought[by...

heterozygosity and reduced genetic diversity and loss or fixation of alleles and shifts in allele frequencies. A small population is then more susceptible to demographic...

linked HLA-DQA1 alleles, to form the cis-haplotype isoforms. There is only one common cis-isoform of DQ8 because the linked DQA1*03 alleles(2) occur over...

description of the allele frequencies in the components of a sub-divided population. With background allele frequency p the allele frequencies, in sub-populations...

secretion odor-binding protein 2, in axillary sweat. The non-functional ABCC11 allele is predominant among East Asians (80–95%), but very low among European and...

occurs when alleles from both parents are differently expressed rather than complete expression and complete suppression of one parent's allele. Forms of...

serotype primarily recognizes gene products of the HLA-DRB1*15 and HLA-DRB1*16 allele groups. DR2 serotypes are associated with Goodpasture syndrome, systemic...

parthenogenetic offspring may have anything between all and half of the mother's alleles. In some types of parthenogenesis, the offspring that have all of the mother's...

HLA-A α-chains. For A3, the alpha, "A", chain are encoded by the HLA-A*03 allele group and the β-chain are encoded by B2M locus. This group currently is...

effects associated with the V370A allele were favored by natural selection to help promote the presence of the allele and thus the emergence of shovel-shaped...

(2011). "Herders of Indian and European Cattle Share their Predominant Allele for Lactase Persistence". Mol. Biol. Evol. 29 (1): 249–260. doi:10.1093/molbev/msr190...

(phenotype frequency of the B*5801 allele in Europeans is typically 3%). One study concluded: "Even when HLA-B alleles behave as strong risk factors, as...

The two common O alleles, O01 and O02, share their first 261 nucleotides with the group A allele A01. However, unlike the group A allele, a guanosine base...

the ACE for D-allele carriers, hence higher capacity to produce angiotensin II, the blood pressure will increase sooner than for I-allele carriers. This...

Responder (Rsp), where the SD allele of Ran-GAP favors its own transmission only in the presence of a Rspsensitive allele on the homologous chromosome...

of the dominant allele (HH or Hh) at the FOXI3 locus. Coated Xolo are the recessive expression, occurring only when two coated alleles (hh) are present...

26%. An allele of the SOD1 gene: SOD1:c.52T has only been found in the Bernese Mountain Dog with 3.5% of Bernese Mountain Dogs having this allele. This...

genetics is the proportion of individuals carrying a particular variant (or allele) of a gene (genotype) that also expresses an associated trait (phenotype)...

leads to genome-wide homozygosity, expression of deleterious recessive alleles, and often to developmental abnormalities. Both captive-born and wild-born...

chemically induced eif4e alleles in tomato. Natural promoter variation can lead to the evolution of recessive disease-resistance alleles. For example, the recessive...

HLA-A α-chains. For A68, the alpha "A" chain are encoded by the HLA-A*68 allele group and the β-chain are encoded by B2M locus. A68 and A*68 are almost...

Chromosome DNA RNA Genome Heredity Nucleotide Mutation Genetic variation Allele Amino acid Outline Index History and topics Introduction History Evolution...

2021). "Dissecting the role of Amerindian genetic ancestry and the ApoE ε4 allele on Alzheimer disease in an admixed Peruvian population". Neurobiology of...

that were heterozygous for the Adh allele (one copy of the Adh null allele and one copy of the Adh Wild type allele) gave very similar phenotypical alcohol...

the other two loci. Dogs carrying wild-type alleles for MC1R and Agouti, together with the black allele of CBD103, will have a black coat. According...

rs12821256 allele associated with, and likely causal for, blond hair color, making Afontova Gora 3 the earliest individual known to carry this derived allele. The...

by inheritance of a sickle cell allele from one parent and a beta thalassemia allele from the other. A sickle allele is always the same mutation of the...

frequency of an allele in the total population, σ S 2 {\displaystyle \sigma _{S}^{2}} is the variance in the frequency of the allele among different subpopulations...

heterozygosity excess, (ii) a mode-shift indicator of allele frequencies, and (iii) a ratio of allele number to allele size range. No bottleneck was detected for...

Chromosome DNA RNA Genome Heredity Nucleotide Mutation Genetic variation Allele Amino acid Outline Index History and topics Introduction History Evolution...

A haplotype (haploid genotype) is a group of alleles in an organism that are inherited together from a single parent. Many organisms contain genetic material...

"sugary enhanced" allele, responsible for so-called "Everlasting Heritage" cultivars, such as 'Kandy Korn'. Cultivars with the se alleles have a longer storage...

found in the various strains of Merinos. A single gene with three possible alleles controls horn inheritance in Australian Merinos. Poll Merino rams are not...

genetic disorder is located on the X chromosome, and only one copy of the allele is sufficient to cause the disorder when inherited from a parent who has...

substance A) or B antigen (substance B) on their red blood cells, whatever alleles they may have of the A and B blood-group genes, because A antigen and B...

HLA-A α-chains. For A1, the alpha "A" chain are encoded by the HLA-A*01 allele group and the β-chain are encoded by B2M locus. This group currently is...

the allele for melanism producing morpha carbonaria is controlled by a single locus. The melanic allele is dominant to the non-melanic allele. This...

origin in southeast Asia into the Plateau, acquiring and fixing adaptive alleles for the high-altitude environment. The forests of Tibet are home to black...

mutation (also present in Belgian Blue), identified as an inactive myostatin allele that causes hypertrophic muscle growth, or double muscling. Purebred Piedmontese...

supported by the finding that simultaneous homozygosity and fixation of donor alleles is possible. Wild potato species useful for breeding blight resistance...

HLA-A α-chains. For A24, the alpha, "A", chain are encoded by the HLA-A*24 allele group and the β-chain are encoded by B2M locus. This group currently is...

dwarfism occurs in individuals homozygous for the dwarf allele (dwdw). Homozygosity for the dwarf allele results in a lethal autosomal recessive mutation. The...

this can be selected against once a pair of populations have incompatible alleles of the same gene, as described in the Bateson–Dobzhansky–Muller model....

Vazzrock the Animation Child 2023 Ayakashi Triangle Woman 2023 Kizuna no Allele Friends 2023 Is It Wrong to Try to Pick Up Girls in a Dungeon? Iska Bra...

A multilocus genotype is the combination of alleles found at two or more loci in a single individual. For example, in a diploid species, if there are...

heterozygous for the Clock mutant allele exhibit lengthened circadian periods, while ClockΔ19/Δ19 mice homozygous for the allele become arrhythmic. In both heterozygotes...

genotype would be obvious; either AA if all nucleotides match allele A, BB if they match allele B, or AB if there is a mixture. However, when working with...

and exists in several different forms or alleles. The most common APOE alleles are the ε2, ε3, and ε4 alleles, which were discovered to each be associated...

to as an allele. Each parent passes on one allele to each offspring. An individual gamete inherits a complete haploid complement of alleles on chromosomes...

Kizuna no Allele Title, 2023 TV Premiere". Anime News Network. Retrieved 11 November 2022. Hodgkins, Crystalyn (24 February 2023). "Kizuna no Allele Anime...

Tibeto-Burman/Sinitic populations and southern Hmong-Mien populations sharing more alleles with Austronesian/Tai-Kadai populations. Hmong-Mien populations within...

be moderated by 'plasticity alleles', of which the 2R and 3R alleles of MAOA are two, with "the more plasticity alleles males (but not females) carried...

better described, they say, as a unit of evolution (the long-term changes in allele frequencies in a population). In The Selfish Gene, Dawkins explains that...

frequency increase of homozygous deleterious recessive or partially recessive alleles. The hypothesis can be explained by looking at a population that is divided...

the deleterious allele to manifest the disease. Autosomal recessive diseases, however, require two copies of the deleterious allele for the disease to...

fitness between years. To determine if a bet hedging allele is favored, the long-term fitness of each allele must be compared. Particularly in highly variable...

locus and DQ4 are encoded by the HLA-DQB1*04 allele group. This group currently contains 2 common alleles, DQB1*0401 and DQB1*0402. HLA-DQ4 and HLA-DQB1*04...

after an asterisk (star) character to form an allele label. The two most well-characterized variant alleles are CYP2C9*2 (NM_000771.3:c.430C>T, p.Arg144Cys...

In population genetics, gene flow (also known as migration and allele flow) is the transfer of genetic material from one population to another. If the...

(cremello, perlino, and smoky cream). Thus, if a horse with two cream dilution alleles also carries the dun gene, it also will be cream-colored, with primitive...

very similar to the group HLA-DR18. DR17 recognizes the DRB1*0301, *0304 alleles. DR17 is associated with non-chronic sarcoidosis, infantile spasm/epilepsy...

complementation (or dominance), the masking of deleterious recessive alleles by wild-type alleles, as discussed in the articles Heterosis and Complementation (genetics)...

mutation in one allele along with a RNAse MRP RNA mutation in the other allele, or a combination of two RNAse MRP RNA mutations in both alleles. The fact that...

hypostatic gene is one whose phenotype is altered by the expression of an allele at a separate locus, in an epistasis event. Example: In labrador retrievers...

natural selection against deleterious alleles prompted by inbreeding. Purging occurs because deleterious alleles tend to be recessive, which means that...

"red", is caused by one of two recessive alleles at the extension locus (genetics). Extension has three known alleles: the wildtype "E", necessary for the...

; Rompler, H.; Caramelli, D.; et al. (2007). "A melanocortin 1 receptor allele suggests varying pigmentation among Neanderthals". Science. 318 (5855):...

other organisms, natural selection in these species does not eliminate "alleles that have early beneficial effects, but later deleterious effects". Antagonistic...

during tissue development. In each tissue, 20–30% of transcripts showed allele-specific expression differences with <2% of direction-shifting. Despite...

Alleles which were present but relatively rare in the original population can move to one of two extremes. The most common one is that the allele is...

"Whole-Genome-Sequence-Based Haplotypes Reveal Single Origin of the Sickle Allele during the Holocene Wet Phase". American Journal of Human Genetics. 102...

increased rate of disease in Ashkenazi Jews. Carriers of a single Tay–Sachs allele are typically normal. It has been hypothesized that being a carrier may...

HLA-A α-chains. For A29, the alpha "A" chain are encoded by the HLA-A*29 allele group and the β-chain are encoded by B2M locus. This group currently is...

and wild rodents, such as the namesake agouti. In dogs, there are four alleles on the agouti locus with the hierarchy of dominance (epistasis): Ay, aw...

is also observed for many alleles that vary from one human group to another. Another observation is that traits or alleles that vary from one group to...

recessive with other b-locus alleles except b2, else A-R Blue 2 Blue-series color b+ b2 recessive with other b-locus alleles except b1, else A-R Blue 1-Blue...

negative selection or purifying selection is the selective removal of alleles that are deleterious. This can result in stabilising selection through...

meiotic process in such a way as to favor the transmission of one or more alleles over another, regardless of its phenotypic expression. More simply, meiotic...

alpha chain. The serotype is positive in individuals who bear the DQA1*01 alleles. The most frequently found within this group are: DQA1*0101, *0102, *0103...

doi:10.1016/j.xhgg.2026.100567. PMC 12860938. McGranahan, Nicholas (2017). "Allele-Specific HLA Loss and Immune Escape in Lung Cancer Evolution". Cell. doi:10...

and can occur as a result of the expression of deleterious recessive alleles. In such populations sparrows do not appear to avoid inbreeding. Nest sites...

favoring the DRD4 7R allele because the bias can be found not only in VNTR motifs of the DRD4 7R allele but also in those of the other alleles", observed by...

deletions in the melanocortin 1 receptor gene and inherited through a dominant allele. Black jaguars occur at higher densities in tropical rainforest and are...

markers below, the allele symbol is followed by the name of the gene affected and a description of its phenotype. (Note: Recessive alleles are in lower case...

dark brown or black hair, and dark or dark-to-black skin, with no derived allele for lactase persistence. These features are typical of the Western European...

each protein type can be encoded by several loci and several different alleles for each loci can be found in different genomes, allowing a great number...

correlations between Egyptian Muslims and Egyptian Christians analyzed allele frequencies across nine autosomal STR loci (D3S1358, VWA, FGA, THO1, TPOX...

locus and DQ6 are encoded by the HLA-DQB1*06 allele group. This group currently contains many common alleles, DQB1*0602 is the most common. HLA-DQ6 and...

terminology help see: HLA-serotype tutorial) B*55:03 is one of the four B alleles that reacts with neither Bw4 nor Bw6. The others are B*18:06, B*46:01,...

exchange of sexual favors helps congeal and localize the assortment of alleles in isolated population and therefore is potentially a very strong force...

resistance alleles – both those for disease and for herbivores. Such alleles can then be introgressed into productive varieties. Rare alleles for this purpose...

mandatory components of the SNP arrays are: An array containing immobilized allele-specific oligonucleotide (ASO) probes. Fragmented nucleic acid sequences...

mane, tail and legs for the presence of black points. There is a proposed allele that darkens a bay coat to seal brown, and the sooty gene is linked to other...

HLA-B77 (B77) is an HLA-B serotype. The serotype identifies certain B*15 gene-allele protein products of HLA-B. B77 is a split antigen of the broad antigen B15...

calculations utilize allele frequencies generated from established population databases most commonly using Short Tandem Repeats. Because allele frequencies can...

individuals with intermediate or opposite extreme phenotypes. Over time, the allele frequencies, and consequently the population mean for the trait, shift consistently...

occurs when the black gene has two recessive alleles but the dilution gene has at least one dominant allele (i.e., bbDD, bbDd). The blue Dobermann has the...

populations. Kinship is the probability that two alleles will be identical by descent when one allele is taken randomly from each mating individual. The...

also carried high frequencies of the HERC2 allele, and increased frequencies of the SLC45A2 and SLC24A5 alleles. They however harbored less EHG ancestry...

A number of potential explanations have been proposed, including that alleles associated with schizophrenia risk confers a fitness advantage in unaffected...

HLA-dissimilar alleles playing a factor in the healthiness of romantic relationships. They discovered that as the proportion of HLA-similar alleles increased...

and *3 (loss-of-function alleles) are associated with diminished enzyme activity, whereas CYP2C19*17 (gain-of-function allele) results in increased activity...

participate in and where they localize Phenotypes associated with different alleles and genotypes Specific protein modification sites and when they occur Human...

recombination event with a spontaneous correction of a mutant, pathogenic allele. In revertant mosaicism, the healthy tissue formed by mitotic recombination...

formation as mediators of quantitative differences in the expression of alleles". Immunological Reviews. 184: 286–98. doi:10.1034/j.1600-065x.2001.1840125...

inbred an individual is. Specifically, it is the probability that two alleles at any locus in an individual are identical by descent from a common ancestor...

frequencies are less useful in Southern and Eastern Europe, and there is no B allele that is in strong LD with DR3-DQ2. Therefore, as one moves east and southward...

trait), heterosis (hybrid vigour), and other interactions between loci and alleles within the genome. From the Greek ΓΕΝ gen, "gene" (gamma, epsilon, nu,...

they inherit one mutant allele. In contrast, a female must inherit two mutant alleles, a less frequent event since the mutant allele is rare in the population...

Asians can be traced back to the positive selection for the rs1800414-G allele thought to date back to the Late Palaeolithic period (c. 25–30 kya), following...

organisms which may have two sets of each homologous chromosome pair. The alleles on the homologous chromosomes may be different, resulting in different...

recessive allele r); the other gene gives yellow if homozygous for its recessive allele (yy), regardless of the alleles of the red gene. Thus the Y allele is...

transplantation. There are four commonly encountered DQA1 alleles: DQA1*0101, *0102, *0103, *0104. These alleles are always found in haplotypes with HLA-DQB1*05...

signals of "compatibility" between their MHC alleles, with a preference for mates with different alleles than their own, resulting in pairings that would...

(GSM) is a model of population genetics that describes how a population's allele frequencies will change when acted upon by natural selection.[better source needed]...

DQ7, DQ8, and DQ9 recognition of Some DRB1*and DQB1* DQ7 DQ3 DQ8 Sample allele % % % size (N) 0301 85 40 1 12220 0304 40 35 8 111 . DQ8 DQ3 DQ7 N 0302...

horse begins with a black base coat colour, and then the horse also has an allele for one of three basic spotting patterns overlaying the base colour. The...

"intermediate to light skin complexion". A 2024 paper found that risk alleles for mood-related phenotypes are enriched in the ancestry of Neolithic farmers...

effect of the alleles and the degree to which alleles are expressed in heterozygotes. Overdominance hypothesis. Certain combinations of alleles that can be...

coiled coil protein overexpressed in psoriatic epidermis; and CDSN, variant allele 5, which encodes corneodesmosin, a protein expressed in the granular and...

meaning that some individuals may have an allele that encodes a functional enzyme, while others have an allele encoding a protein that is predicted to be...

Coalescent theory is a model of how alleles sampled from a population may have originated from a common ancestor. In the simplest case, coalescent theory...

which states that diploid individuals with two alleles for a particular gene will pass one of these alleles to their offspring. Because of his critical work...

found in an individual dated 700-600 BC, and carried the M314 derived allele also found in a Middle Bronze Age individual from Croatia (1631–1531 BC)...

them. Among present-day Europeans, Scythians shared the highest levels of alleles with modern Eastern Baltic (Lithuanian, Estonian) and Northwestern Russian...

Slon B, Hardy JR, Franco M, William L, et al. (August 2015). "CYP2B6*6 allele and age substantially reduce steady-state ketamine clearance in chronic...

of the two loci has one natural (or wild type) allele and one allele that differs from the natural allele because of a mutation. Such an organism can be...

HLA-B62 (B62) is an HLA-B serotype. The serotype identifies certain B*15 gene-allele protein products of HLA-B. B62 is the largest of many split antigens of...

"Whole genome sequencing of Turkish genomes reveals functional private alleles and impact of genetic interactions with Europe, Asia and Africa". BMC Genomics...

in Aging Cell reports that the exceptional-longevity-associated APOE ε2 allele is associated with enhanced DNA-damage response and repair pathways in human...

the most investigated SNPs of its gene. The C-allele is the most prevalent with 0.675 against the G-allele with 0.325 among Caucasian. The effect of the...

serological typing of DR11 and DR5. Serotypes are unknown the following alleles: DRB1*1110 to *1157 DR11 is associated with grape anaphylaxis, well-differentiated...

together with migration among populations, using the allele frequency spectrum, describing how often alleles are rare versus common. Yet another approach exploits...

epigenetic marks are carried from one generation to the next, with one allele inducing a change on the other. The chloroplasts of plants have a number...

The domestic cat family demonstrated a cosegregation between the ASIP allele and black coloration of the coat. The cat is an obligate carnivore and have...

describes the probabilities associated with counts of how many different alleles are observed a given number of times in the sample. Ewens's sampling formula...

or DRB5 alleles. Thus there is the potential that any given individual can form 4 different HLA-DR isoforms (2 alleles of DRB1 and two alleles from DRB3...

the United States. Genetically, the palomino color is created by a single allele of a dilution gene called the cream gene working on a "red" (chestnut) base...

(often abbreviated CD-CV) hypothesis predicts that common disease-causing alleles, or variants, will be found in all human populations which manifest a given...

677 (leading to an alanine at amino acid 222) is the reference allele. The 677T allele (leading to a valine substitution at amino acid 222) encodes a...

long non-coding RNAs are detected as a possible epigenetic mechanism via allele-specific genes underlying aggression via reciprocal crosses. Prions are...

from the combined discrimination of modern/ancient genome-wide shared alleles and haplotypes: Differentiated demographic history reconstruction of Tai-Kadai...

noted: Among Baffin Island caribou the TFL2 allele was the most common allele (p=0.521), while this allele was absent, or present in very low frequencies...

Khvorova A, Pfister EL. Chemical engineering of therapeutic siRNAs for allele-specific gene silencing in Huntington's disease models. Nat Commun. 13(1):...

feature of the haplodiploidy system is that recessive lethal and deleterious alleles will be removed from the population rapidly because they will automatically...

in skin pigmentation. The SLC24A5 gene's derived threonine or Ala111Thr allele (rs1426654) has been shown to be a major factor in the light skin tone of...

actual order of the DYS385 alleles along the Y chromosome, the smaller allele precedes the larger and therefore the allele sequence given here is physically...

within the body. In particular, individuals who are homozygous for the G allele at the single nucleotide polymorphism (SNP) rs776746 (also known as CYP3A5...

"dark points", or "black points". Dark points are caused by a recessive allele of agouti found in Normand and Miniature donkeys. The light areas may vary...

create novel genotypes more rapidly. Two advantageous alleles A and B occur at random. The two alleles are recombined rapidly in a sexual population (top)...

these scrapie polymorphisms by increasing the frequency of the resistant allele. However, PrP-ARR polymorphisms are susceptible to atypical scrapie, so...

allele. It is intriguing that the missense mutation in the B1 allele is much more disruptive for the protein function than the one in the B2 allele and...

differ in sequence only at the free end; this type of probe is known as an allele-specific oligonucleotide. One of the bead types will correspond to the methylated...

White birds should not be used in sex-linked crosses because white colour allele is sometimes dominant and sometimes recessive. A red sex-link rooster A...

blend of both parents (i.e. in modern terms, alleles would blend together to form a completely new allele) The characteristics of the blended offspring...

1% (though that is far higher than any normal mutation rate for a single allele). Polymorphism crosses several discipline boundaries, including ecology...

polled versions of dairy breeds. In sheep, the allele for horns in both sexes is partially dominant to the allele for being polled in both sexes, and both of...

different allele lengths and repeat unit sizes, and within different species. If there is a large size difference between individual alleles, then there...

One allele is a nonfunctional null allele, while the other encodes for a partially active enzyme. Furthermore, the partially functional allele has expression...

J. M.; Henzi, S. P.; Perrett, D. I.; Wadee, A. A. (2007). "Common HLA alleles associated with health, but not with facial attractiveness". PLOS ONE....

dam have inherited the wild type allele. The coat is not lightened. Dd: Either sire or dam have inherited the allele for dilution. However, the dilution...

contains the similar HLA-DR13 antigens. Serotypes are unknown the following alleles: DRB1**1409, *1419 to *1462 DRB1*1402: juvenile rheumatoid arthritis, increased...

A resistance gene is any gene producing resistance against an agent. This gene may produce: Drug resistance Antimicrobial resistance Multiple drug resistance...

pre-therapy screening for the HLA-B*5701 allele and the use of alternative therapy in subjects with this allele. Additionally, both the Clinical Pharmacogenetics...

mutation occurs in the Fy-b allele and has been designated Fy-bEs (erythroid silent). Two isotypes have been identified. The Fy-x allele is characterized by a...

other coconut varieties have natural resistance to lethal yellowing with alleles at microsatellites, with Vanuatu tall and Sri-Lanka green dwarf as the...

to sun and use sunscreen. The presence of freckles is related to rare alleles of the MC1R gene, though it does not differentiate whether an individual...

prevalence of G1 and G2 risk alleles are 40% and 8% respectively. African nations with high frequencies of APOL1 risk alleles also have large populations...

dominance relationship between two alleles. The cross begins with the parental generation. One parent is homozygous for one allele, and the other parent is homozygous...

models with all of the above sources as well as 'Mainland MLBA' fit the allele frequencies of all the LBA individuals from Crete ('Crete LBA'). This also...

lack of robust empirical evidence that the specific disease-associated alleles actually relate to cognitive function. Rutherford notes that none of the...

The champagne gene is a simple dominant allele responsible for a number of rare horse coat colors. The most distinctive traits of horses with the champagne...

metabolism of the fruit. This trait is physically close to the desired allele along the chromosome. Breeding for traits like larger fruit has thus unintentionally...

serotype that recognizes gene products of HLA-DRB4 locus. There are 13 alleles at this locus that encode 7 proteins. DRB3, DRB4, and DRB5 are minor DR...

who have a variant ALDH2 allele termed glu487lys, ALDH2*2 or ALDH2*504lys, which is a single nucleotide polymorphism allele encoding in its amino acid...

McGinnis & Ewens (1993). The TDT measures the over-transmission of an allele from heterozygous parents to affected offsprings. The n affected offsprings...

Alvaro; Sandrini, Fabiano; Da Silva, Cláudia Maria Dornelles (2010). "Allele frequencies of 15 STRs in a representative sample of the Brazilian population"...

alcohol early and stop drinking. For Caucasians, ADH1B*1 allele is the most prevalent allele which causes slower conversion of alcohol to acetaldehyde...

hatched. It results from the action of a very variable autosomal dominant allele, which is semi-lethal and may display incomplete penetrance as well as incomplete...

selection refers to a number of selective processes by which multiple alleles (different versions of a gene) are actively maintained in the gene pool...

these groups. He shares excess alleles with Native American groups, particularly Amazonians, and also shares excess alleles with Goyet Q116-1, which may...

bearing the MATa allele and another chromosome bearing the MATα allele. The combination of the information encoded by the MATa allele (the a1 gene) and...

homozygous for the normal allele, 40% are heterozygous for the ALDH2*2 allele, and 3% are homozygous for the ALDH2*2 allele. The best-known consequence...

advantageous alleles A and B occur randomly. In sexual reproduction, the two alleles are combined rapidly. But in asexual reproduction, the two alleles must independently...

caused by an allele that is found at the same locus as the allele that causes albinism. It is thought, but not proven, that the allele is inherited in...

to 8 kya Qihe individuals from Fujian. There is also evidence of excess allele sharing between Ami and Atayal and a 2,500 year old individual from mainland...

1.67-fold greater risk of obesity compared with those without the risk allele. The differences in BMI between people that are due to genetics varies depending...

offered can vary significantly from one lab to another, including genes and alleles tested for, phenotype assignment, and any clinical annotations provided...

Possessors of the deleterious allele have lower life expectancy, with homozygotes rarely reaching 50 years of age. However, this allele also yields some resistance...

mutation. It is not the same as an allele because it excludes cases where different mutations give rise to the same allele, and includes descendants that...

gene in barley, in which monogenic resistance is conferred by recessive alleles. mlo protects barley against nearly all pathovars of powdery mildew. The...

insecticides. Seong et al., 2010 find deltamethrin resistance provided by an allele – L925I – of the voltage gated sodium channel. Seong et al. also find a...

drift does not introduce new alleles to a population, but it can reduce variation within a population by removing an allele from the gene pool. Genetic...

The Blue mutation is recessive to its wild-type allele, so a bird possessing a single Blue allele (the heterozygote) is identical in appearance to the...

Britain also allowed us to track the frequencies of alleles with known phenotypic effects. Derived alleles at rs16891982 (SLC45A2) and rs12913832 (HERC2/OCA2)...

analysis (ADNA) has revealed that the oldest fossil known to carry the mutated allele rs12821256 of the KITLG gene, which is responsible for blond hair in modern...

of developing StPD. The COMT Val158Met polymorphism and its Val or Met alleles are suspected to be associated with schizotypal personality disorder. These...

insufficient TREX1 activity, are completely healthy with only one functional TREX1 allele. Different mutations in the TREX1 gene have also been identified in people...

occasionally in fruit flies Drosophila melanogaster carrying a specific mutant allele. It has also been induced in many crops and fish via irradiation of an egg...

higher mortality than their adult conspecifics. Davis and Barry 1977 tested allele frequencies in domestic cats. Among the 265 cats observed, there were 101...

uses EG10826 for recD. Finally, ECK numbers are specifically used for alleles in the MG1655 strain of E. coli K-12. Complete lists of genes and their...

Variant Alleles HLA-DR Loci) This reduces the potential functional combinations from ~1400 to ~400 ([table is not exact because new alleles are continually...

Murphy, McHugh, et al. write that: The fact that Q188R is the sole mutant allele among the Travellers as compared to the non-Traveller group may be the result...

DQB1*02:01, and DRB1*03:01 alleles were identified as risk factors, while DQA1*02:01, DQA1*03:01 and DQB1*05:01 alleles were found to be protective factors...

dogs. The study found that 46% were pure dingoes which exhibited no dog alleles (gene expressions). There was evidence of hybridisation in every region...

drugs involves two events: beta-tubulin mutation in one allele followed by loss of the second allele". Cell Cycle. 4 (12): 1847–1853. doi:10.4161/cc.4.12...

chaos when some individuals' fitnesses become very low at intermediate allele frequencies. The first explicit statement of frequency-dependent selection...

select individuals with disease resistance involves identifying a marker allele that is linked with disease resistance rather than the level of disease...

stochasticity, the random change in allele frequencies over time, also known as genetic drift. Genetic drift can cause alleles to disappear from a population...

of exon 3. Some of these alleles are associated with greater incidence of certain disorders. For example, the D4.7 alleles have an established association...

Rodríguez-Ventura AL, Yamamoto-Furusho JK, Coyote N, et al. (2007). "HLA-DRB1*08 allele may help to distinguish between type 1 diabetes mellitus and type 2 diabetes...

number of alleles, and the influence of any given variant may depend in critical ways on the genetic and environmental background. If many alleles are required...

systematic review found that while neither allele was associated with OCD overall, in Caucasians, the L allele was associated with OCD. Another meta-analysis...

and second cousins respectively. Irrespective of marriage preferences, alleles that are rare in large populations can randomly increase to high frequency...

origin.[citation needed] R0 (cDe or Dce) is today most common in Africa. The allele was thus often assumed in early blood group analyses to have been typical...

the particular allele while keeping the name as short as possible. An HLA name looks something like this: HLA-A*02:01:01:02L All alleles receive at least...

first messenger RNA (mRNA) demethylase that has been identified. Certain alleles of the FTO gene appear to be correlated with obesity in humans. The amino...

Schizoid/avoidant behavior Given that the A1+ allele is associated with antisocial personality disorder, one may infer that the allele is also associated with narcissistic...

each possess one copy of the T allele and one copy of the t allele (each person has two copies of every autosomal allele, a paternal and a maternal one)...

ASPM haplogroup D, at 59.4% occurrence of the approximately 6,000-year-old allele. Haplogroup O is a primary descendant of haplogroup NO-M214 typical throughout...

susceptibility to infection. Albinism results from inheritance of recessive gene alleles and is known to affect all vertebrates, including humans. Many genes are...

to be analyzed based on the number of alleles, the number of effective alleles, and the number of private alleles. With these numbers, the Shannon index...

lower legs are dark. Roan is a simple dominant trait symbolized by the Rn allele. The University of California, Davis School of Veterinary Medicine's genetics...

has normal calcium homeostasis because of the normal maternal allele in the kidney. The GNAS1 gene involved in both pseudohypoparathyroidism...

There are many human leukocyte antigen (HLA) alleles associated with conditions of or affecting the human integumentary system List of allergens List...

There may be multiple variants of any given gene in the human population (alleles), a situation called polymorphism. No two humans are genetically identical...

infusion of engineered T cells directed to both the G12D mutation and an HLA allele. Her tumor regressed persistently. But another similarly treated patient...

known as black panthers. Melanism in leopards is caused by a recessive allele and is inherited as a recessive trait. In India, nine pale and white leopards...

for dizygotic twinning, meaning that they carry a higher frequency of the allele responsible for the likelihood of twins, rather than the likelihood of litters...

black allele (variant) from either parent, it has a black nose, eye rims, and paw pads, and if it has a saddle, it is black. The other allele suppresses...

which states both alleles that code for a particular protein must be affected before an effect is manifested. If only one allele for the gene is damaged...

the ridge. The ridge will appear only if there is at least one dominant allele in both groups. The Rhodesian Ridgeback is partly descended from the southern...

controlled by an incompletely dominant allele (Na) located near the middle of Chromosome 3. Since this allele is dominant, individuals which are either...

between another HLA-B allele and HLA-B*5101. There are a number of alleles within the B*52 allele group. There are 18 alleles, with 14 amino acid sequence...

mammoth bones. Two alleles were found: a dominant (fully active) and a recessive (partially active) one. In mammals, recessive Mc1r alleles result in light...

in certain cases use different nomenclatures to designate the same Y-STR allele. Thus, a conversion must be applied in these cases to accurately compare...

Survey) and the presence of the rs324420 C385A allele in citizens' genetic make-up. The C385A allele was initially provisionally linked to drug abuse...

susceptible to the condition. Most SPS patients have the DQB1* 0201 allele. This allele is also associated with type 1 diabetes. SPS is diagnosed by evaluating...

organism. It is "the authoritative source of official names for mouse genes, alleles, and strains", which follow the guidelines established by the International...

A haplotype is a group of alleles in an organism that are inherited together from a single parent, and a haplogroup (haploid from the Greek: ἁπλοῦς, haploûs...

leukocyte antigen gene-variant (allele), HLA-B*1502. Odds ratios for the development of SJS or TEN in people who carry the allele can be in the double, triple...

between this gene and the downstream CYP3A51P pseudogene. The CYP3A7*1C allele is associated with poor outcomes in some cancer patients, possibly because...

also have hereditary retinal degeneration due to a mutation in the rdAc allele. This mutation is also seen in Abyssinians, Siamese cats, and other related...

from IMGT/HLA Middleton D, Menchaca L, Rood H, Komerofsky R (2003). "New allele frequency database". Tissue Antigens. 61 (5): 403–7. doi:10.1034/j.1399-0039...

a higher frequency of 7R/long alleles. They also showed that nomadic populations had higher frequencies of 7R alleles than sedentary ones. More recently...

Interlocus sexual conflict is the interaction of a set of antagonistic alleles at one or more loci in males and females. An example is conflict over mating...

2005 study, it was found with three alleles: 9, 10 and 12 repeats. A meta-analysis has found that the 12 repeat allele of the STin2 VNTR polymorphism had...

three distinct mitochondrial nucleotide sites and 12 unique microsatellite alleles. The pattern of genetic variation in the Bengal tiger corresponds to the...

research debates whether cheek dimples can be inherited or which type of allele they are, but it is certain that humans with cheek dimples are more likely...

the A A {\displaystyle AA} genotype). For example, the lactose-tolerant allele spread from very low frequencies to high frequencies in less than 9000 years...

P450 Homepage Archived 2010-06-27 at the Wayback Machine) and allele names (CYP Allele Nomenclature Committee). These similarity-based groupings are frequently...

inhabitants of the Philippines... genetic evidence (the occurrence of unique alleles) suggests that the Negrito groups in Mindanao may have been separated from...

behaviour of recessive lethal alleles: when short-legged birds are bred, 25% of the embryos are homozygous for the lethal allele, and die in shell; 50% are...

test whether allele a is dominant over allele A, the choice t = (1, 1, 0) is locally optimal. To test whether allele a is recessive to allele A, the optimal...

increased that the child will inherit two copies of a harmful recessive gene (allele) (rather than only one, which is less likely to have harmful effects). Genetic...

severe malaria. Alternate allele-specific splice variants, encoding different isoforms, have been characterized. Additional allele specific isoforms, including...

Toronto Alexithymia Scale among those with the 5-HTTLPR homozygous long (L) allele. The 5-HTTLPR region on the serotonin transporter gene influences the transcription...

demonstrating in 1924 the correct blood group inheritance pattern of multiple alleles at one locus through statistical analysis. Felix Bernstein was born in...

from IMGT/HLA Middleton D, Menchaca L, Rood H, Komerofsky R (2003). "New allele frequency database". Tissue Antigens. 61 (5): 403–7. doi:10.1034/j.1399-0039...

These stochastic effects can lead to the unequal amplification of the 2 alleles that come from a heterozygous individual. It is especially important to...

bound peptide 2h6p​ major histocompatibility complex (human), class I, B35 Alleles B*3501, 3502, 3503, . . . Structure (See HLA-B) Symbol(s) HLA-B 2fyy​,...

(known as skewed X-inactivation) occurs due to some cells expressing one X allele and some the other. Decades of research has shown that the notions "X-linked...

other; and recombination, capable of reassorting large numbers of different alleles and of establishing reproductive isolation. The endosymbiotic theory explains...

acid sequence is a succession of bases within the nucleotides forming alleles within a DNA (using GACT) or RNA (GACU) molecule. This succession is denoted...

the allele frequency. Fisher made no restrictive assumptions in his formula concerning fitness parameters, mate choices or the number of alleles and loci...

pigment and the horse is some shade of red. The functional, dominant allele (or alleles) of the agouti gene (labeled "A") enable the horse to restrict black...

model describes the stochastic evolution of two competing alleles (e.g., allele A and allele B) in a population of a strictly fixed size N {\displaystyle...

and all gene alleles are uniformly distributed by the gametes within it, the gamodeme is said to be panmictic. Under this state, allele (gamete) frequencies...

several alleles segregating at the major gene determining the taste of PTC, particularly in African populations, and the common "taster" allele is incompletely...

genetic variation alongside mutation, resulting in new combinations of alleles, which may be beneficial. Meiosis generates gamete genetic diversity in...

1.149. PMID 17201574. Glenn AL (January 2011). "The other allele: Exploring the long allele of the serotonin transporter gene as a potential risk factor...

(mild color blindness) possess heterozygous alleles of the genes that encode the L-opsin or M-opsin. These alleles often have a different spectral sensitivity...

adhesion molecule). The system is based on the expression of two codominant alleles, designated Lua and Lub. The antigens Aua and Aub, known as the Auberger...

as if a horse ran through white paint with its head lowered. So far 6 alleles on two genes have been discovered to cause splashed white patterns. There...

CL, Sánchez C, Barrot C, Ortega M, Huguet E, Corbella J, Gené M (2007). "Allele frequencies of the 15 AmpF/Str Identifiler loci in the population of Metztitlán...

analysis produced differing probability figures despite having concordant allele results. Because the relationships of these two mummies with the KV55 mummy...

four red blood cell surface glycoprotein antigens which are encoded by alleles of the gene SLC29A1. The protein which acts as the Augustine antigens is...

describes a process in which a population adapts through small changes in allele frequencies at hundreds or thousands of loci. Many traits in humans and...

R; Gusmão, L; Largura, A; Sandrini, F; Da Silva, C. M. (February 2010). "Allele frequencies of 15 STRs in a representative sample of the Brazilian population"...

bottleneck can change the proportional random distribution of alleles and even lead to loss of alleles. The chances of inbreeding and genetic homogeneity can...

inherited alleles have the mutation, while autosomal dominant diseases will be demonstrated in individuals with only one mutant version of the allele. Therefore...

Russians carry an additional Nganasan-related genetic component and increased allele sharing with modern East Asians. The Yamnaya-like contribution is estimated...

nuptial flight, and often dies after doing so. Drones carry only one type of allele at each chromosomal position, because they are haploid (containing only...