The Genetic History of Ice Age Europe 在線電子書 pdf 下載 txt下載 epub 下載 mobi 下載 2024

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Qiaomei Fu 作者

Harvard

譯者

出版日期

75 頁數

USD 20.00 價格

Hardcover

叢書系列

9780711109667 圖書編碼

The Genetic History of Ice Age Europe 在線電子書圖書標籤: 分子生物學世界史前史

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發表於2024-07-04

The Genetic History of Ice Age Europe 在線電子書 epub 下載 mobi 下載 pdf 下載 txt 下載 2024

The Genetic History of Ice Age Europe 在線電子書 epub 下載 pdf 下載 mobi 下載 txt 下載 2024

The Genetic History of Ice Age Europe 在線電子書 pdf 下載 txt下載 epub 下載 mobi 下載 2024

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The Genetic History of Ice Age Europe 在線電子書著者簡介

The Genetic History of Ice Age Europe 在線電子書 pdf 下載 txt下載 epub 下載 mobi 在線電子書下載

The Genetic History of Ice Age Europe 在線電子書圖書描述

Modern humans arrived in Europe ~45,000 years ago, but little is known about their genetic composition before the start of farming ~8,500 years ago. Here we analyse genome-wide data from 51 Eurasians from ~45,000–7,000 years ago. Over this time, the proportion of Neanderthal DNA decreased from 3–6% to around 2%, consistent with natural selection against Neanderthal variants in modern humans. Whereas there is no evidence of the earliest modern humans in Europe contributing to the genetic composition of present-day Europeans, all individuals between ~37,000 and ~14,000 years ago descended from a single founder population which forms part of the ancestry of present-day Europeans. An ~35,000-year-old individual from northwest Europe represents an early branch of this founder population which was then displaced across a broad region, before reappearing in southwest Europe at the height of the last Ice Age ~19,000 years ago. During the major warming period after ~14,000 years ago, a genetic component related to present-day Near Easterners became widespread in Europe. These results document how population turnover and migration have been recurring themes of European prehistory.

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