Sentences with phrase «eurasian ancestry»
By comparing the ancient genome to DNA from modern Africans, the team have been able to show that East African populations today have as much as 25 % Eurasian ancestry from this event.
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«Although hundreds of ancient genomes have been reported for individuals of European and western Eurasian ancestry, this is the first study to recover ancient whole genomes of genetic East Asians,» said Choongwon Jeong, first author of the study, University of Chicago.
By comparing the ancient genome to DNA from modern Africans, the team have been able to show that not only do East African populations today have as much as 25 % Eurasian ancestry from this event, but that African populations in all corners of the continent — from the far West to the South — have at least 5 % of their genome traceable to the Eurasian migration.
«There is no longer any West Eurasian ancestry inferred in West and Central African populations,» says Harvard population geneticist Pontus Skoglund, who alerted Manica to the problem.
Not exact matches
This analysis showed that while Tibetan brown bears share a close common ancestry with their North American and Eurasian kin, Himalayan brown bears belong to a distinct evolutionary lineage that diverged early on from all other brown bears.
Comparisons of these genomes with those of other ancient Eurasian peoples indicate that Canaanite ancestry was split roughly 50 - 50 between the early farmers who settled the Levant and immigrants of Iranian descent who arrived later, between 6,600 and 3,550 years ago.
«Admixture with Basal Eurasians may have diluted the Neanderthal ancestry in West Eurasians who have ancient Near Eastern farmer ancestry,» said Reich.
The study, published as the cover article in BioMed Central's Avian Research, led by the Earlham Institute and the Museum of Vertebrate Zoology at the University of California, explores the phylogenetic relationship between two forms of Harriers (Circus cyaneus); the Eurasian Hen Harrier (C. c. cyan ecus) and the American Northern Harrier (C. c. hudsonius) to distinguish their ancestry and evolution.