我们体内的每个细胞都有46条染色体。

Each cell of our bodies contains 46 chromosomes.

《柯林斯英汉双解大词典》

你体内的大多数细胞每条染色体都有两份拷贝，因此，每个基因也都有两份拷贝：一份来自你的母亲，一份来自你的父亲。

Most cells in your body have two copies of every chromosome and, therefore, two copies of every gene: one from your mother and one from your father.

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These molecules of DNA, very long molecules of DNA, are condensed and packaged within the nucleus of every cell in your body.

这些DNA分子是非常长的,它们通过折叠等方式压缩形成染色体后,被装配在你身体内的每一个细胞内

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