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Genetic evidence of human 'sister' species?

Posted on Wednesday, 1 August, 2012 | Comment icon 21 comments | News tip by: Pandora7321

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Researchers believe they have uncovered DNA evidence of an unknown sister species of human.

The discovery was made by scientists analyzing the DNA of hunter-gatherers in Cameroon and Tanzania, what they found was that 2% of their DNA appeared to have come from an unknown species of hominid that would have split from modern humans over one million years ago. Interbreeding between modern humans and other human species has been known to happen but this is the first time that a human sister species has been discovered entirely through investigating DNA.

"The evidence for ancient interbreeding is surprisingly convincing," said biologist Richard Green. "There is a signal that demands explanation, and archaic admixture seems to be the most reasonable one at this point."

"Expeditions to Africa may have brought back evidence of a hitherto unknown branch in the human family tree."

  View: Full article |  Source: Science News

  Discuss: View comments (21)


Recent comments on this story
Comment icon #12 Posted by HollyDolly on 1 August, 2012, 13:47
That's a great article. I do believe that our ancestors could have maybe interbred with other human species that are now extinct.They ought to try people from other parts of the world to see what they might come up with in regards to dna. It's possible many europeans have Neanderthal dna amongst Cro Magnon,etc.
Comment icon #13 Posted by paperdyer on 1 August, 2012, 14:18
Come on Simbi - Species wasn't that bad, at least I and II. Any movie with Natasha in can't be all bad. This evidence might explain why certain traits are more dominant than others in interracial children. There may have been more than one "missing link".
Comment icon #14 Posted by BrandOfAmber on 1 August, 2012, 15:49
Actually (not that I think this topic is misplaced on the boards) when I see an article like this one, it indicates further evidence confirming a theory I've held for many years now... That being that Homo Sapiens were not the first 'Human' species to circumnavigate the globe... Elves anyone?
Comment icon #15 Posted by cormac mac airt on 1 August, 2012, 17:13
And how exactly is that confirmed, since there's no evidence for any member of the genus Homo having existed in North America or South America prior to the arrival of modern humans c.15,000 BP cormac
Comment icon #16 Posted by HoaxHunter on 1 August, 2012, 17:28
This sounds very intriguing. Especially because it makes sense on how Humans that we know today, might actually be the off-spring of other now extinct hominids. Though, we can look at Asians with the large eye sockets and the Africans with their genetics that cause large muscle enhancement. We might still have other forms of hominid roaming amongst us.
Comment icon #17 Posted by cormac mac airt on 1 August, 2012, 17:42
Based on the following from last year, it appears we may have had at least 4 lines mixing with ours in the past: cormac
Comment icon #18 Posted by Abramelin on 2 August, 2012, 6:02
So that's another new sister species. They already found one in China:
Comment icon #19 Posted by Abramelin on 2 August, 2012, 6:11
Lol, I remember I once had a discussion with 'Legioromanes/Marduk' about this. I once visited a little museum (La Recoleta,Jesuits) in Arequipa. Peru, and there they showed a fossilized skull of an obvious 'primitive' human, with large protruding eyebrows. They had dug it up near a river. There are times I think I only dreamt it... .
Comment icon #20 Posted by Cyaneyed on 2 August, 2012, 14:42
This reminds me of an episode of Sliders where they mention a theory from the 60's about another line which was basically a predatory human species, can anyone remember the name of that theory? Edit - Remembered, it was

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