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. 2016 Mar 22;6(6):1525–1534. doi: 10.1534/g3.116.028779

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Copyright © 2016 Browning et al.

This is an open-access article distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Ancestry-specific PCs for single ancestral continents. Each column of the top two rows of the figure clusters ancestry from one ancestral continental group (African, Amerindian, or European), with PCs calculated as indicated in Figure 1C. The top row highlights the HCHS/SOL individuals labeled by the country of origin of their grandparents (with reference individuals in the background in gray), while the middle row highlights the reference individuals (with HCHS/SOL individuals in the background in gray). The bottom row of the figure gives maps showing the locations of the populations. HCHS/SOL, Hispanic Community Health Study/Study of Latinos; PCs, principal components.