DNA evidence show "these groups have stayed genetically separate while living side by side for thousands of years" https://www.nytimes.com/2017/07/17/health/in

DNA evidence show "these groups have stayed genetically separate while living side by side for thousands of years" https://www.nytimes.com/2017/07/17/health/india-south-asia-castes-genetics-diseases.html?smid=tw-share https://www.nytimes.com/2017/07/17/health/india-south-asia-c...