首页 / 细胞分裂过程中一条染色体上DNA含量的变化情况如图所示。下列有关

细胞分裂过程中一条染色体上DNA含量的变化情况如图所示。下列有关

细胞分裂过程中一条染色体上DNA含量的变化情况如图所示。下列有关该图的叙述，不正确的是（   ）

A．a→b可表示DNA分子复制

B．b→c可表示有丝分裂前期和中期

C．c→d可表示染色体的着丝点分裂

D．d→e可表示减数第二次分裂全过程

答案

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