I saw an abstract where they did genetic testing of various castes. They haven't intermarried significantly for ~2000 years. Newsy article discussing. https:/

I saw an abstract where they did genetic testing of various castes. They haven't intermarried significantly for ~2000 years. Newsy article discussing. https://hms.harvard.edu/news/genetics-proves-indian-population-mixture https://hms.harvard.edu/news/genetics-proves-indian-populati...