Human colonisation (Other Keyword)
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Ancient mitochondrial DNA provides high-resolution timescale of the peopling of the Americas (2016)
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Archaeological evidence indicates human presence as far as southern Chile and Argentina by 14.6-14.0 kya (thousand years ago), shortly after the Pleistocene ice sheets blocking access from eastern Beringia began to retreat. Genetic estimates of the timing and route of entry have been constrained by the lack of suitable calibration points and low genetic diversity of Native Americans. We sequenced 92 whole mitochondrial genomes from pre-Columbian South American skeletons dating from 8.6-0.5 kya,...