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Considering how much genetic variations there are in South Asia from AASI cline to two types of Western lineages: Iran_N and Steppe clines. There are even two types of Mongoloid inputs: Austroasiatic-related (mainly found among the Munda tribals) and Tibeto-Burman/Chokhopani-like facade which is most prominent among NE Indians, Sikkimese, Baltis and some mainstream South Asians such as Bengalis. Moreover, there are also the Andamanese tribes who live in isolated islands of the Andaman Sea, who are also very genetically distant from AASI and much more closer to Hoabinhian Hunter Gatherers from SE Asia.
So is South Asia the second most genetically heterogenous and diverse region after Africa?
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