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Patterns of Admixture and Population Structure in Native Populations of Northwest North America

Figure 3

Population-level population structure for 71 populations.

Shown are a (A) multidimensional scaling (MDS) plot (Spearman ρ = 0.965; P<10−15, comparing population-pairwise Euclidean distances on the two-dimensional MDS plot to their population pairwise FST values), and (B) Neighbor-joining tree based on population pairwise FST. All the edges of the tree were supported by 100% of the 1,000 bootstrap replicates performed except for four edges corresponding respectively to the Kalash, Caucasian (CEU), Orcadian, and French populations (supported by 76%, 75%, 75%, and 74%, respectively, of the 1,000 bootstrap replicates). Population colors and symbols follow Figure 1.

Figure 3