无论如何，如果我们检查这些螺旋状 DNA 的末端，我们会发现每条人类染色体的末端都有一个被称作“端粒”的 DNA 序列。

Anyway, if we examine these ends of these coils of DNA, we will find a sequence of DNA at each end of every human Chromosome, called a telomere.

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这些基因是位于15号染色体，其中的23双人类染色体。

These genes are located on chromosome 15, one of the 23 pairs of human chromosomes.

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在动物实验中发现一种能阻断艾滋病毒整合入人类染色体的药物。

A drug that stops the HIV virus from stitching itself into human chromosomes is found to fight AIDS in an animal study.

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