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Afghan Hindu Kush: Where Eurasian Sub-Continent Gene Flows Converge

Figure 3

First and second components of the Principal Component Analysis based on autosomal data.

The corresponding colored dots for the Central Asian populations are shown on the lower right corner. The colored “arrows” on the background represent the frequency gradients as seen as on Figures S1 and S2 and follow the same color code. It shall be stressed that they DO NOT represent actual gene flow, PCA analysis does not permit to reveal such movements. _Pak and _Afg stand for Pakistan and Afghanistan respectively.

Figure 3