The return to Africa that time forgot

Catherine Brahic

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The return to Africa that time forgot

机译：那个时候忘记回到非洲

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Call it humanity's forgotten U-turn. When our species migrated out of Africa around 65,000 years ago, many African populations that stayed behind became genetically isolated from the rest of humanity until European colonialism. Or so we thought: an analysis of DNA from what is supposedly one of the most distantly isolated of all African populations has revealed the presence of genetic material from western Eurasia. The Eurasian genes entered the African populations between goo and 3000 years ago, hinting at important human migrations in historic times that barely registered in written records. The Khoisan tribes of southern Africa are hunter-gatherers and pastoralists who speak unique click languages. Their extraordinarily diverse gene pool split from everyone else's before the African exodus.

机译：称之为人类被遗忘的掉头。大约65,000年前，当我们的物种迁出非洲时，许多留在非洲的人口在基因上与人类其余部分隔离，直到欧洲殖民主义为止。大概我们以为：从所有非洲人口中最遥远的人群中分离出的一种DNA的分析揭示了来自欧亚大陆西部的遗传物质的存在。欧亚基因在黏性和3000年前之间进入了非洲人口，这暗示了历史上重要的人类迁徙，但几乎没有书面记录。南部非洲的Khoisan部落是会说独特点击语言的狩猎者和牧民。他们的非同寻常的基因库与非洲人外逃之前的其他人分开。

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《New scientist》 |2014年第2955期|10-10|共1页
作者
Catherine Brahic;
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收录信息美国《科学引文索引》(SCI);美国《化学文摘》(CA);
原文格式 PDF
正文语种 eng
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The return to Africa that time forgot

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