如图表示人体某一个细胞的分裂过程，细胞核中染色体数(阴影部分)

如图表示人体某一个细胞的分裂过程，细胞核中染色体数(阴影部分)和DNA分子数(无阴影部分)在A、B、C、D中4个不同时期的统计数据。则同源染色体发生分离的时期是( )

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如图表示人体某一个细胞的分裂过程，细胞核中染色体数(阴影部分)

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