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Links:
http://science.sciencemag.org/content/360/6392/1028
http://science.sciencemag.org/conten...080.1527866256
http://science.sciencemag.org/conten...sdottir-SM.pdf
"Abstract:
Opportunities to directly study the founding of a human population and its subsequent evolutionary history are rare. Using genome sequence data from 27 ancient Icelanders, we demonstrate that they are a combination of Norse, Gaelic [Celtic], and admixed individuals. We further show that these ancient Icelanders are markedly more similar to their source populations in Scandinavia and the British-Irish Isles than to contemporary Icelanders, who have been shaped by 1100 years of extensive genetic drift. Finally, we report evidence of unequal contributions from the ancient founders to the contemporary Icelandic gene pool. These results provide detailed insights into the making of a human population that has proven extraordinarily useful for the discovery of genotype-phenotype associations."
Proportions of Insular Celtic/Gaelic and Norse ancestry in each individual:
Distribution of early settlers according to their ethnic origins:
PCA graph with ancient Icelanders:
Y-DNA haplogroup predictions:
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