Years of caste system belie Indians’ shared ancestry
THE Rigveda, a collection of Sanskrit hymns written around 3500 years ago, doesn’t contain much genetics. It does, however, have the first mention of India’s caste system, and now a genetics study reveals that inbreeding going back thousands of years has led to marked genetic differences between castes. It also shows that India’s many distinct peoples spring from just two ancient populations. (Mmmm hmmm…)
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