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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
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