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.
在变革中不忘传承,在传承中因势创新的文化自觉,是中华文明历经风雨而不断绝的根基所在。通过对青铜文化演变的研究,朱凤瀚剖析了商周鼎革之际的文化传承与融合。周初涌现的所谓“全新”青铜器形制、纹饰和制作工艺,实际是先周时期周人独立发展的青铜文化的延续。周式青铜器的广泛传播,也见证了殷周族群协和发展的“第二春”。
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