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btw, west eurasian and south asian are generic old terms used for old population movments. for example northern south asians populations like sindhis, punjabies, kashmiries etc... also show huge amounts of west eurasian dna, not as high as pashtuns but up to 30-40% and Iranians for example show 15-20% south asian in them. If you study genetics, you will see that every body is mixed and there is not such thing as pure race