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[73] [74] Neanderthals additionally came into genetic contact with modern humans during a more ancient modern humans dispersal out of Africa 250,000 years ago; this caused a 6% modern human ancestry in Neanderthal populations. [75] [68] Modern human mtDNA may have introgressed into Neanderthal populations possibly 268,000 to 413,000 years ago. [75]
Conversely, significant rates of modern human gene flow into Neanderthals occurred—of the three examined lineages—for only the Altai Neanderthal (0.1–2.1%), suggesting that modern human gene flow into Neanderthals mainly took place after the separation of the Altai Neanderthals from the El Sidrón and Vindija Neanderthals that occurred ...
The Neanderthal DNA found in modern human genomes has long raised questions about ancient interbreeding. New studies offer a timeline of when that occurred and when ancient humans left Africa.
The fossil evidence does not conclusively place Neanderthals and modern humans in close proximity at this time and place. [11] According to preliminary sequences from 2010, 99.7% of the nucleotide sequences of the modern human and Neanderthal genomes are identical, compared to humans sharing around 98.8% of sequences with the chimpanzee. [12]
A separate DNA study, published in the journal Science, shows that modern humans held on to some key genetic traits from Neanderthals that may have given them an evolutionary advantage. One ...
Two new studies have helped narrow down the time during which Neanderthals interbred with modern humans to a period starting about 50,500 years ago and lasting over seven millennia.. One of the ...
The findings suggest that very early human history was complex, and modern humans likely interacted with Neanderthals — and other types of archaic humans, including the enigmatic Denisovans ...
Sub-Saharan Africans can carry Neanderthal DNA, presumably descending from modern human migration between Eurasia and Africa. [150] In all, approximately 20% of the Neanderthal genome appears to have survived in the modern human gene pool. [151] This Neanderthal DNA may descend primarily from the children of female modern humans and male ...