Roots of the first Americans

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Roots of the first Americans

机译：最早的美国人的根源

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Where did the first Americans come from, and who were they? The publication of the draft genome of a 24,000-year-old human specimen from Mal'ta in south-central Siberia - the earliest modern human genome sequence reported so far - may help to clarify matters.Eske Willerslev and colleagues find that the Mal'ta individual is genetically closely related to modern-day Native Americans and basal to modern-day western Eurasians, but has no close affinity to East Asians. This implies that populations related to modern-day western Eurasians had a more northeasterly distribution in the past than was thought.

机译：第一批美国人来自哪里，他们是谁？西伯利亚中南部马尔塔（Mal'ta）有24,000年历史的人类标本的基因组草图草案的发布-迄今为止报道的最早的现代人类基因组序列-可能有助于澄清问题。这个个体与现代的美国原住民在基因上密切相关，而与现代的西方欧亚人密切相关，但与东亚人没有密切的亲缘关系。这意味着与现代西方欧亚大陆有关的人口在过去的东北分布比人们想象的要多。

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《Nature》 |2013年第7476期|343-343|共1页
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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
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Roots of the first Americans

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