Not every modern human has the same set of Neanderthal DNA, however; different people will, by chance, have inherited different fragments. But there are also some areas, termed "Neanderthal deserts," where none of the Neanderthal DNA seems to have persisted. Notably, the largest Neanderthal desert is the entire X chromosome, raising questions about whether this reflects the evolutionary fitness of genes there or mating preferences.
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变化三：存储技术，持续演进需求分层与周期重构，倒逼存储技术进入产业化迭代的快车道。
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Москвичей предупредили о резком похолодании09:45
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