Fig. 2From: Lactase persistence in Tunisia as a result of admixture with other Mediterranean populationsAncestry proportions at KÂ =Â 2 to KÂ =Â 4 estimated by means of ADMIXTURE clustering analysis performed on the extended LP-related region. Population structure of worldwide human populations is shown for 1677 individuals from 33 different groups globally distributed (from left to right: 633 Sub-Saharan Africans, 225 North Africans, 399 Europeans, 77 Mexicans, 255 East Asians, 88 Indians)Back to article page