What happens during mitosis is that the cell is able to separate this double set of chromosomes into two sets and that happens in a way that's shown in this cartoon here.
当细胞有丝分裂时,细胞将其分开形成两组染色体,如下图所示
There might be these, what are called epigenetic differences that I mentioned changes in the structure around DNA, and those changes lead to differences in which fraction of the total genes in the chromosomes are being expressed by a particular cell.
可能存在的差异,叫做表观遗传差异,我之前说过的DNA结构上的变化,而这些变化导致,在特定细胞中,染色体组的全部基因中,只有一部分表达出来
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