multiple alleles

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Related to multiple alleles: epistasis, incomplete dominance

multiple alleles

pl n
(Biology) three or more alternative forms of a particular gene existing in a population
multiple allelism n

mul′tiple alleles′

a series of three or more alternative or allelic forms of a gene, only two of which can exist in any normal, diploid individual.
mul′tiple allel′ism, n.
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The multiple mutated alleles detected reflect the intrinsic heterogeneity of the KRAS locus in pancreatic carcinoma, as is shown by the analysis of matched pancreatic juice and biopsy samples, where multiple alleles are often detected.

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