下图为某二倍体高等动物的一个精原细胞若该细胞在减数分裂过程中仅仅是a与a没有分开则形成的正常精细胞与异常精细胞的比值为a.0∶4 B.1 Template




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tomski下图为某二倍体高等动物的一个精原细胞若该细胞在减数分裂过程中仅仅是a与a没有分开则形成的正常精细胞与异常精细胞的比值为a.0∶4 b.1 coloring