pl n (Biology) three or more alternative forms of a particular gene existing in a populationmultiple allelismn
mul′tiple alleles′
n. a series of three or more alternative or allelic forms of a gene, only two of which can exist in any normal, diploid individual. [1935–40]mul′tiple allel′ism,n. EncyclopediaSeealleleFinancialSeemultiple