Is a ‘selfish gene’ making a Utah family have twice as many boys as girls?

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He went on to freelance for clothing companies and start-ups before launching his own brand in 2021.

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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.

30 January 2026ShareSave,推荐阅读搜狗输入法2026获取更多信息