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21 天
Nature | 破解基因组稳定之谜:卫星DNA如何成为染色体分离的关键?
然而,与此相对的是,位于染色体着丝粒(centromere)及其周边区域的卫星DNA(satellite DNA)展现了惊人的演化速度,其快速变化的序列和丰度令人困惑。
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