Figure 3From: European Population Genetic Substructure: Further Definition of Ancestry Informative Markers for Distinguishing among Diverse European Ethnic GroupsPrincipal component analyses of Southern European populations. (A) All subjects groups. (B) PCA analysis without Ashkenazi Jewish American (AJA). (C) PCA without the Sardinian (SARD) group. (D) PCA without AJA and SARD. The subject numbers were the same as those indicated in Figure 1.Back to article page