下图表示在不同生�活动过程中细胞内染色体的变化曲线下列叙述正确的是 A.a过程没有姐妹染色单体 B.b过程细胞数目不变 C.c过程�生细胞 Template




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tomski下图表示在不同生�活动过程中细胞内染色体的变化曲线下列叙述正确的是 a.a过程没有姐妹染色单体 b.b过程细胞数目不变 coloring