Figure 1From: Identifying cryptic population structure in multigenerational pedigrees in a Mexican American sampleIndividual and family centroids using principal components (PCs) based on all subjects. Eigenstrat analyses of the first three PCs of all members of the 20 large pedigrees. The heavy black dots denote the centroid of each "outlier" family. The members of the remaining 17 families are in orange.Back to article page