Some of the human X chromosome originates from Neanderthals and is found exclusively in people outside Africa, according to an international team of researchers led by Damian Labuda of the Department of Pediatrics at the University of Montreal and the CHU Sainte-Justine Research Center. The research was published in the July issue of Molecular Biology and Evolution.
This study provides evidence that Neanderthals interbred with modern man probably at the cross roads of Middle East. It might have also contributed to the variability which is enriched by each addition to genome for long-term survival of species.
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