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Any of a group of nonallelic genes, each having a small quantitative effect, that together produce a wide range of phenotypic variation. Also called multiple factor.
(Genetics) any of a group of genes that each produce a small quantitative effect on a particular characteristic of the phenotype, such as height
any of a group of genes that act together cumulatively to produce a trait, as stature or skin pigmentation.
pol`y•gen′ic (-ˈdʒɛn ɪk) adj.
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|Noun||1.||polygene - a gene that by itself has little effect on the phenotype but which can act together with others to produce observable variations|