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Proc Biol Sci. 2006 Oct 22;273(1601):2651-7.

Evidence for an apartheid-like social structure in early Anglo-Saxon England.

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  • 1Department of Biology, University College London, Wolfson House, 4 Stephenson Way, London NW1 2HE, UK. m.thomas@ucl.ac.uk

Abstract

The role of migration in the Anglo-Saxon transition in England remains controversial. Archaeological and historical evidence is inconclusive, but current estimates of the contribution of migrants to the English population range from less than 10000 to as many as 200000. In contrast, recent studies based on Y-chromosome variation posit a considerably higher contribution to the modern English gene pool (50-100%). Historical evidence suggests that following the Anglo-Saxon transition, people of indigenous ethnicity were at an economic and legal disadvantage compared to those having Anglo-Saxon ethnicity. It is likely that such a disadvantage would lead to differential reproductive success. We examine the effect of differential reproductive success, coupled with limited intermarriage between distinct ethnic groups, on the spread of genetic variants. Computer simulations indicate that a social structure limiting intermarriage between indigenous Britons and an initially small Anglo-Saxon immigrant population provide a plausible explanation of the high degree of Continental male-line ancestry in England.

PMID:
17002951
[PubMed - indexed for MEDLINE]
PMCID:
PMC1635457
Free PMC Article
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