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luvmuslgirls.
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May 7, 2010 at 4:03 pm #92205
AlexG
KeymasterSeems that Kirby and Lee were right after all – when you Hulk-out you’re tapping into those latent Neanderthal genes . . . :blink:
Zecharia Sitchin and Jean M Auel must be feeling vindicated, too. B)
Source: Neanderthals and Humans Interbred, Scientists Say – AOL News May 6, 2010
Scientists Discover New Proof of the Neanderthal Within Us
Gregory Mone Contributor
AOL News
(May 6) — It turns out there really is a little caveman in a lot of us.
An international team of scientists has for the first time decoded the complete Neanderthal genome, and the results, to be reported in the May 7 issue of Science, offer new insights into our closest evolutionary relatives and an exciting new way to explore the genetic basis of what makes humans unique. But the big news? The scientists also found evidence that humans and Neanderthals interbred. And the results of that prehistoric coupling can be found in most people’s DNA.
By comparing the Neanderthal genome with those of five present-day humans from different regions across the world, the scientists found that roughly 1 to 4 percent of the genomes of non-African people derive from our extinct relatives. “It’s a small but very real proportion,” says Harvard geneticist David Reich, one of the paper’s co-authors.
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Richard E. Green, a computational biologist at the University of California at Santa Cruz, holds replicas of a Neanderthal skull and bones that scientists used to decode the complete Neanderthal genome.Jim MacKenzie, AFP / Getty Images
Neanderthals turned up around 400,000 years ago, then disappeared — from the fossil record at least — roughly 300 centuries ago. Humans were around back then as well, and archaeological evidence suggests the two species lived in some of the same areas of Europe and modern Asia during the last 50 or so millennia of the Neanderthals’ run. In fact, AOL News reported on one such hot spot, Siberia’s Altai Mountains, back in March.
Given the evidence, there has been a long-standing debate over whether the two speciesinterbred, according to Reich. “We’re able to largely resolve that controversy,” he says.
But why did the Neanderthal DNA show up only in the non-African subjects? For one thing, Neanderthals were concentrated in parts of Europe, Asia, Siberia and the Middle East but not Africa. Based on the genetic evidence, the scientists suspect that the intermingling of the two species probably occurred between 45,000 and 80,000 years ago, when modern humans were moving out of Africa for the first time. Neanderthals populated the Middle East at this time, and the two groups may have encountered each other there. Then these humans would have spread across the continents and carried the genetic signals of that encounter with them.
Along with suggesting a saucier version of our pre-modern history, the new paper could enable scientists to pinpoint some of the genes that make humans special. The researchers have already highlighted genes associated with cranial development, energy metabolism and physiology as targets of future study.
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These bone fragments, recovered from a cave in Croatia, enabled scientists to decode the genome of NeanderthalsCourtesy of Max Planck Institute / EVA
The findings also represent a serious technological achievement. The scientists extracted this genomic information from tiny samples taken from three fossilized bones collected from the Vindija Cave in Croatia. The bones were roughly 40,000 years old and largely contaminated by DNA from microbes.
“I really thought, until six or seven years ago, that it would remain impossible, in my lifetime, to sequence the entire nuclear genome of Neanderthals,” says lead author Svante Paabo, a geneticist at the Max Planck Institute for Evolutionary Anthropology. “That changed with technological developments.”
“I like a good story well told. That is the reason I am sometimes forced to tell them myself.”
~ Mark Twain / Samuel Clemens (1907)May 7, 2010 at 6:09 pm #92207Lingster
KeymasterThey’re making a big deal out of this, but I thought it was pretty well-established that the ‘ginger’ gene originated in European Neanderthal populations.
May 7, 2010 at 8:39 pm #92211luvmuslgirls
ParticipantGlad you posted this. I remember an anthropological science show I watched on this subject a while back. At that time, they only asked the question, did more modern man, of the time, intermingle with the Neanderthals? More than just occupying the same geographical regions? Well it seems they have finally answered that question. Very interesting. So now, if you get mad at somebody, and you call them a neanderthal, you may be partially correct! 😛
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