polygene

名词 polygene:

1. a gene that by itself has little effect on the phenotype but which can act together with others to produce observable variations

pol.y.gene

n.（名词）
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 ,quantitative gene
多基因：一种非等位基因，每一个基因都有很小量的效果，这些效果合在一起产生出很多种表现型变异也作 multiple factor,quantitative gene