基因分离规律的实质是(   )    A.子二代不出现性状分离     

基因分离规律的实质是(      

A.子二代不出现性状分离              B.等位基因随同源染色体分开而分离

C.子二代性状分离比是 31           D.测交后代性状分离比为 11

答案

B

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