马杂交形成骡子是高度不育的其原因是 A.马和驴的染色体不能共存 b.染色体结构�生变化 C.减数分裂中同源染色体联会紊乱 D.马和驴的遗传 Template


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tomski马杂交形成骡子是高度不育的其原因是 a.马和驴的染色体不能共存 b.染色体结构�生变化 coloring