Demography: Peopling the Americas

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منابع مشابه

A genomic view of the peopling of the Americas.

Whole-genome studies have documented that most Native American ancestry stems from a single population that diversified within the continent more than twelve thousand years ago. However, this shared ancestry hides a more complex history whereby at least four distinct streams of Eurasian migration have contributed to present-day and prehistoric Native American populations. Whole genome studies e...

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Updated Three-Stage Model for the Peopling of the Americas

BACKGROUND We re-assess support for our three stage model for the peopling of the Americas in light of a recent report that identified nine non-Native American mitochondrial genome sequences that should not have been included in our initial analysis. Removal of these sequences results in the elimination of an early (i.e. approximately 40,000 years ago) expansion signal we had proposed for the p...

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Redefining the age of Clovis: implications for the peopling of the Americas.

The Clovis complex is considered to be the oldest unequivocal evidence of humans in the Americas, dating between 11,500 and 10,900 radiocarbon years before the present (14C yr B.P.). Adjusted 14C dates and a reevaluation of the existing Clovis date record revise the Clovis time range to 11,050 to 10,800 14C yr B.P. In as few as 200 calendar years, Clovis technology originated and spread through...

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Control Region Variability of Haplogroup C1d and the Tempo of the Peopling of the Americas

BACKGROUND Among the founding mitochondrial haplogroups involved in the peopling of the Americas, haplogroup C1d has been viewed as problematic because of its phylogeny and because of the estimates of its antiquity, apparently being much younger than other founding haplogroups. Several recent analyses, based on data from the entire mitochondrial genome, have contributed to an advance in the res...

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The archaeology of Ushki Lake, Kamchatka, and the Pleistocene peopling of the Americas.

The Ushki Paleolithic sites of Kamchatka, Russia, have long been thought to contain information critical to the peopling of the Americas, especially the origins of Clovis. New radiocarbon dates indicate that human occupation of Ushki began only 13,000 calendar years ago-nearly 4000 years later than previously thought. Although biface industries were widespread across Beringia contemporaneous to...

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ژورنال

عنوان ژورنال: European Journal of Human Genetics

سال: 2005

ISSN: 1018-4813,1476-5438

DOI: 10.1038/sj.ejhg.5201481