[PIF]

Cross breeding between Neanderthal and Heidelbergensis produced a hybrid which may or may not have been Denisovans who interbred with Neanderthal to produce still another hybrid who interbred with Cro-Magnon. None of which happened in Africa, but rather Asia. Europeans and Asians have Denisovan and Neanderthal mDNA, Africans do not. Modern humans with Asian or European descent are essentially Heidelbergensis/Neanderthal/Denisovans/Cro-Magnon hybrids.

The whole Out-of-Africa meme is under serious scientific mDNA and blood group tracings pressure; this study may well be an attempt to reassert it. That the reassertion carries some political baggage is a clue as to the assertions goal.

Nature, original paper abstract
https://www.nature.com/articles/s41586-019-1714-1

[LTC.Ret]

Nature and Wiki obviously disagree -— please see my post 38.

[LTC.Ret]

Maybe no Denisovan mitochondrial DNA (mtDNA)in modern humans, either: Wiki: "The Denisovans or Denisova hominins ( /dɪˈniːsəvə/ di-NEE-sə-və) are an extinct species or subspecies of archaic human in the genus Homo without an agreed taxonomic name. ... The mitochondrial DNA (mtDNA) of the finger bone showed it to be genetically distinct from Neanderthals and modern humans."