Figure 4From: Identifying cryptic population structure in multigenerational pedigrees in a Mexican American sampleGenerational diagram for family 3 based on the first two principal components (PCs) from approach 1. Family 3 demonstrates a generational "regression to the mean." The marry-ins are genetically indistinguishable from the central mass of the other families. As a result, each subsequent generation is more similar to the main body of the GAW18 sample.Back to article page