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. 2011 Feb 17;7(2):e1001308. doi: 10.1371/journal.pgen.1001308

Figure 2. First four principal components (PCs) in the European-American sample alone.

Figure 2

Colors represent inferred ancestry. Black: northwest (NW) Europe; green: southeast (SE) Europe; cyan: Ashkenazi Jewish (AJ); magenta: indeterminate (omitted from subpopulation analyses).