Friday, May 04, 2007

A person's continental origin can be predicted using randomly selected genetic markers


The new paper is one of many recent papers that have discovered that no matter what genetic markers you choose: SNPs, STRs, no matter how you choose them: randomly or based on their "informativeness", it is relatively easy to classify DNA into the correct continental origin. Depending on the marker types (e.g., indel vs. microsatellite), and their informativeness (roughly the distribution differences between populations), one may require more or less markers to achieve a high degree of accuracy. But, the conclusion is the same: after a certain number of markers, you always succeed in classifying individuals according to continental origin.

Geography and genography: prediction of continental origin using randomly selected single nucleotide polymorphisms

European population stratification based on 10,000 markers

Copy number variation in humans

Self-defined race/ethnicity and true underlying genetic structure

Clusters strike back (II)

Clusters strike back

Human population genetic structure

Racial clusters


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