polymorphic allele [GENO_0000497]
An allele that is fixed in a population at some stable level, typically > 1%. Polymorphic alleles reside at loci where more than one version exists at some signifcant frequency in a population.
polymorphic allele
ID: GENO_0000497
Class
An allele that is fixed in a population at some stable level, typically > 1%. Polymorphic alleles reside at loci where more than one version exists at some signifcant frequency in a population.
Polymorphic alleles are contrasted with mutant alleles (extremely rare variants that exist in <1% of a population), and 'wild-type alleles' (extremenly common variants present in >99% of a population). Polymorphic alleles exist in equilibrium in a given population somewhere between these two extremes (i.e. >1% and <99%).
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