Cavalli-Sforza and his team state that “Indian tribal and caste populations derive largely from the same genetic heritage of Pleistocene [=10000 to 3… - Luigi Luca Cavalli-Sforza

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Cavalli-Sforza and his team state that “Indian tribal and caste populations derive largely from the same genetic heritage of Pleistocene [=10000 to 3 mya] southern and western Asians and have received limited gene flow from external regions since the Holocene [=c 10000 to present]. The phylogeography [=neighbouring branches] of the primal mtDNA and Y-chromosome founders suggest that these southern Asian Pleistocene coastal settlers from Africa would have provided the inocula for the subsequent differentiation of the distinctive eastern and western Eurasian gene pools”