详细解释:n. 多基因
英语解释：
名词 polygene:
a gene that by itself has little effect on the phenotype but which can act together with others to produce observable variations详细解释：
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