Fig. 7

Genetic structure analysis plots of the two studied groups and 28 reference populations. (a) Individual-level ancestral structures of the 30 populations when K = 3, and the pie chart of ancestral compositions of Kazakh and Kyrgyz group. (b) Triangular clustering diagram of African, East Asian, and European individuals at K = 3, with stepwise addition of the Kazakh and Kyrgyz individuals