Additional file 3.
Figure S3. We used the Ilmn650Y data of the human genetics diversity project (HGDP) samples to constructs principal components (HGDP-PCs), and projected eight African American (termed as "deLiver AfrA" in the figure) samples onto this HGDP-PCs space. Although located close to the African groups, these eight subjects shifted towards the European cluster, indicating population admixture.
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Hao et al. BMC Genetics 2009 10:27 doi:10.1186/1471-2156-10-27