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Dating russian suggest url

They suggest that the divergence of the Denisova mt DNA results either from the persistence of a lineage purged from the other branches of humanity through genetic drift or else an introgression from an older hominin lineage.

Surprisingly, it belonged to a female individual, indicating that the Denisovans were extremely robust, perhaps similar in build to the Neanderthals.

The tooth that has been characterized shares no derived morphological features with Neanderthal or modern humans.

Through such interbreeding, 17% of the Denisova genome represents DNA from the local Neanderthal population, while evidence was also found of a contribution to the nuclear genome from an ancient hominin lineage yet to be identified, Tests comparing the Denisova hominin genome with those of six modern humans – a ǃKung from South Africa, a Nigerian, a Frenchman, a Papua New Guinean, a Bougainville Islander and a Han Chinese – showed that between 4% and 6% of the genome of Melanesians (represented by the Papua New Guinean and Bougainville Islander) derives from a Denisovan population; a later study puts the amount at 1.11% (with an additional contribution from some different and yet unknown ancestor).