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. Author manuscript; available in PMC: 2020 Oct 22.
Published in final edited form as: Nat Ecol Evol. 2017 Aug 28;1(10):1577–1583. doi: 10.1038/s41559-017-0299-z

Fig. 1 |. Context of genome-wide population structure.

Fig. 1 |

a, The geographic locations of populations in the data set, shown on a Gall–Peters projection map. b, PCA on the SNP genotype matrix. The first and second PCs explain 9% and 6% of the variation, respectively, and clearly differentiate the individuals into five well-separated clusters that correspond to the five populations sampled. c, A hierarchical clustering tree also captures the genetic relationships between the individuals and their populations.