Mysterious Denisovans interbred with modern humans more than once

Source: CNN

By Ashley Strickland, CNN

(CNN)Neanderthals, Denisovans and our ancestors were mixing and mingling a long time ago — and some of our genetics can be traced back to these archaic humans.

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In Asians, as much as 3% of an individual’s DNA may be Neanderthal. For Europeans, it’s as much as 2%. A new study has found that our ancestors interbred with two distinct Denisovan populations, increasing the probability of the presence in modern populations of DNA inherited from this ancient and mysterious people.
The study, using a new genome-analysis method to compare whole genomes of humans with Denisovans, was published in the journal Cell on Thursday.

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