13.如图为某种xy型性别决定的动物细胞分裂示意图下列叙述正确的是 A.图甲表示次级精母细胞的分裂b.图甲细胞中有四对同源染色体图乙 Template




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tomski13.如图为某种xy型性别决定的动物细胞分裂示意图下列叙述正确的是 a.图甲表示次级精母细胞的分裂b.图甲细胞中有四对同源染色体图乙 coloring