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Am J Phys Anthropol. 2010 Jul;142(3):476-80. doi: 10.1002/ajpa.21234.

Brief communication: patterns of linkage disequilibrium and haplotype diversity at Xq13 in six Native American populations.

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  • 1Department of Genetics, Evolution and Environment, University College London, 4 Stephenson Way, London, UK.


Comparative studies of linkage disequilibrium (LD) can provide insights into human demographic history. Here, we characterize LD in six Native American populations using seven microsatellite markers in Xq13, a region of the genome extensively studied in populations around the world. Native Americans show relatively low diversity and high LD, in agreement with recent genome-wide survey and a scenario of sequential founder effects accompanying human population dispersal around the globe. LD in Native Americans is similar to that observed in some recently described small population isolates and higher than in large European isolates (e.g., Finns), which have been extensively analyzed in medical genetics studies. Haplotype analyses are consistent with a colonization of the New World by a differentiated East Asian population, followed by extensive genetic drift in the Americas.

(c) 2009 Wiley-Liss, Inc.

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