Read More: Mystery ancient human ancestor found in Australasian family tree https://www.newscientist.com/article/2098566-my... "An unknown hominin species that bred with early human ancestors when they migrated from Africa to Australasia has been identified through genome mapping of living humans. The genome analysis also questions previous findings that modern humans populated Asia in two waves from their origin in Africa, finding instead a common origin for all populations in the Asia-Pacific region."
DNA from Mysterious 'Denisovans' Helped Modern Humans Survive http://www.livescience.com/54084-denisovan-dna-... "Genetic mutations from extinct human relatives called the Denisovans might have influenced modern human immune systems, as well as fat and blood sugar levels, researchers say. Very little is known about the Denisovans. The first evidence of them was discovered in Denisova Cave in Siberia in 2008."
Neanderthal sex could explain why Europeans and Africans have different immune systems http://www.sciencealert.com/neanderthal-sex-cou... "Scientists investigating the immune system of modern humans have found significantly different responses in Europeans and Africans, and ancient breeding with Neanderthals tens of thousands of years ago could be partly to blame." ____________________
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