isotypic variation

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  • 同型变异
    1. Polygene is any of a group of nonallelic genes,each having a small quantitative effect,that together produce a wide range of phenotypic variation.
      多基因是一种非等位基因,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。