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Definition of the noun allele

What does allele mean as a name of something?

noun - plural: alleles

  1. (genetics) either of a pair (or series) of alternative forms of a gene that can occupy the same locus on a particular chromosome and that control the same character
    • example: some alleles are dominant over others
    • domain: genetic science / genetics
    • lexical domain: Body Parts - nouns denoting body parts
    • synonym of allele: allelomorph
    • more generic words: cistron / factor / gene = a segment of DNA that is involved in producing a polypeptide chain; it can include regions preceding and following the coding DNA as well as introns between the exons
    • more specific terms:
      • dominant allele / dominant = an allele that produces the same phenotype whether its paired allele is identical or different
      • recessive allele / recessive = an allele that produces its characteristic phenotype only when its paired allele is identical

Alternative definition of the noun allele


  1. [genetics] One of a number of alternative forms of the same gene occupying a given position on a chromosome.


Allele is an American alternative metal band from Jacksonville, Florida, formed in 2002. Their line-up consists of five members: Wally Wood, Lane Maverick, Tim Tobin, Jesse Rush and Dusty Winterrowd.


  1. "Allele" is a musical single of Boxcutter.
    • released on (4 years ago)
  2. "Allele" is a musical EP of Allele.

Phrases with Allele

  1. dominant allele
  2. recessive allele

Printed dictionaries and other books with definitions for Allele

Click on a title to look inside that book (if available):

Google previewPlant Hormones (2004)

Biosynthesis, Signal Transduction, Action! by Peter J. Davies

As mentioned above, the wol allele is a missense mutation in the CHASE domain of the AHK4 protein that leads to disruption of cytokinin binding (18, 50). Why this should lead to such a dramatic phenotype while the presumed loss of function ...

Google previewMolecular and Quantitative Animal Genetics (2014)

by Hasan Khatib

The dominant allele is the wild-type, and causes non-chestnut. The recessive, mutant allele is a single base pair substitution, and causes chestnut. There is a third allele at the extension locus called Ea in some breeds, but its phenotypic effect ...

Google previewThe Aging Individual (2002)

Physical and Psychological Perspectives, 2nd Edition by Susan Krauss Whitbourne, PhD

The ApoB4 allele is the one implicated in Alzheimer's disease (Strittmatter et al., 1993). ApoE4 binds...

One possible explanation of the increased risk associated with inheriting the ApoR4 allele is that the age of onset is lowered. People are ...

Google previewClinical Genetics in Nursing Practice (2005)

Third Edition by Felissa R. Lashley, PhD, RN, FABMGG

The PI*Z allele is the one most commonly associated with clinically significant effects of low serum AAT levels. The percent of normal AAT ...

Google previewPrimer of Genetic Analysis (2007)

A Problems Approach by James N. Thompson, Jr, Jenna J. Hellack, Gerald Braver, David S. Durica

The term allele refers to the alternate forms of a gene that occupies a particular locus.

Google previewPharmacological Mechanisms in Alzheimer's Therapeutics (2007)

by Claudio Cuello

The apoE4 allele is a well-known risk factor for both sporadic and familial late- onset AD. It was shown that patients with two E4 alleles exhibit an earlier age of onset (Corder et al., 1993; Poirier et al., 1993), higher amyloid plaque counts ...

Google previewBreast Cancer: New Insights for the Healthcare Professional: 2011 Edition (2012)

We show that neither loss of heterozygosity nor promoter methylation of the wild- type BRCA1 allele is the predominant mechanistic origin of the observed genomic instability. Instead, we propose that haploinsufficiency of BRCA1 might be the ...

Google previewEncyclopedia of Meat Sciences (2014)

Considering D1⁄410 cM, 83% of our inferences are correct, but in 17% cases, marker genotypes indicate the wrong allele is the gene of interest. Obtaining markers closer to the target genes will reduce this uncertainty because recombination ...

Google previewEssential Genetics (2009)

A Genomics Perspective by Harvard University Daniel L Hartl

The orp2 allele is a recessive expressed as orange pericarp, a maternal tissue that surrounds the kernels. The ear shows the segregation of orp2 in a cross between two heterozygous genotypes, yielding a 3 : 1 ratio of yellow : orange seeds ...

Google previewVascular Dementia: New Insights for the Healthcare Professional: 2011 Edition (2012)


epsilon4 allele is a genetic risk factor for the development of Alzheimer's disease (AD).

Google previewIssues in Genetic Medicine: 2011 Edition (2012)

allele is a hypomorph, and its seizure-like phenotype reflects reduced expression of the kcc gene. We report here that kcc functions as a K(+)- Cl(-) cotransporter when expressed heterologously in Xenopus laevis oocytes: under ...

Google previewChlamydomonas—Advances in Research and Application: 2013 Edition (2013)


The bld2-5 allele is a hypomorphic allele and its phenotype is modulated by nutritional cues. Basal bodies in bld2-5 cells are missing proximal ends. The basal body mutants show aberrant localization of an epitope-tagged p80 subunit of ...

Google previewApple Maggot in the West (1990)

History, Biology, and Control by Robert Dowell

Had allele frequencies from four Pacific Northwest R. pomonella populations and four R. zephyria populations " Null allele is a rare form with very low activity ( detected by heterozygote banding patterns); it has never been detected in any R.

Google previewEncyclopedia of Genetics, Genomics, Proteomics, and Informatics (2008)

by George P. Rédei

Allele Figure A50. Duocarmycin heterozygote for the locus. The differences between heteroalleles are located at non-identical sites within the codon, or in another codon altogether, and the alleles can therefore be separated by recombination.

Google previewThe Facts on File Dictionary of Biology (2009)

by Robert Hine, Daintith

allele /ă-leel/ (allelomorph) One of the possible forms of a given gene. The alleles of a particular gene occupy the same positions (loci) on homologous chromosomes. A gene is said to be homozygous if the two loci have ...

Google previewEncyclopedia of Cancer (2011)

by Manfred Schwab

Consider two neighboring polymorphic loci A and B with two alleles each (A1 and A2, and B1 and B2, respectively) having the allele frequencies shown in Table 1. Under linkage equilibrium, the four haplotypes formed by these loci have the ...

Google previewEncyclopedia of Applied Plant Sciences (2003)

The mutated S3 allele introduced into an S1S2 genotype resulted in two transgenic plants that produced normal amounts of the mutant S3RNase, but were unable to reject S3 pollen. In the same year, a naturally occurring S-RNase in ...

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See also the pronunciation examples of Allele!

Scrabble value of A1L1L1E1L1E1

The value of this 6-letter word is 6 points. It is included in the first and second editions of the Official Scrabble Players Dictionary.

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