某生物个体的处于有丝分裂后期的一个细胞中有20对同源染色体则其初级精母细胞中有染色体 A.10条 B.20条 C.40条 D.80条——青夏 Template




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tomski某生物个体的处于有丝分裂后期的一个细胞中有20对同源染色体则其初级精母细胞中有染色体 a.10条 b.20条 coloring