Key Points
According to their preprint study, ancestral populations of local hunter-gatherers, Middle Eastern farmers, and Central Asian herders have contributed much more to the genetic makeup of India than ancestral African populations..
The study also traced the most significant contact between ancestral Indian and African populations to a single migration event out of Africa 50,000 years ago...
The study also found that Neanderthals and Denisovans archaic hominins, or past species that were cousins to Homo sapiens account for nearly 2 percent of Indian ancestry..
The study found that the genetic makeup of India is mostly derived from South Asian hunter-gatherers who lived on the land for tens of thousands of years, farmers with an Iranian ancestry who arrived 6,700-5,000 years ago, and herders from the Central Eurasian steppe who swept the region still later...
When the scientists compared the DNA sequences from India with sequenced Neanderthal and Denisovan genomes, they found that 1.48 percent of the DNA sequences are Neanderthal and 0.4 percent Denisovan..
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