Figure 3. Plot of the two first principal components of the PCA-HCA performed using population haplogroup frequencies.

(A) General plot. (B) Zoom plot of Clusters 1, 2 and 3. Population grouping in 6 clusters after HCA is indicated by colors: Cluster 1 (green), Cluster 2 (red), Cluster 3 (orange), Cluster 4 (light blue), Cluster 5 (grey), Cluster 6 (dark blue). Population labels are described in Table S4.