Ancient human ancestors that can be traced to populations alive today may have engaged in ‘sexual rendezvous’ with a ‘ghost’ species of archaic humans.
In a new analysis of a protein found in saliva, researchers discovered evidence of archaic admixture in modern people living in sub-Saharan Africa, indicating that another species had contributed to the genetic material of their ancestors.
The experts say it appears that interbreeding was common among early hominin species – but, with no fossils of the mysterious species in question, it’s considered a ‘ghost.’
Read more: http://www.dailymail.co.uk/sciencetech/article-4719274/Biologists-clues-ghost-species-ancient-human.html#ixzz4n0O2YhBb
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