DNA genome shows interbreeding in the
Middle-East, Eurasia, Europe, but not Africa
The Neanderthal Genome Project scientific
interview 6/3/09 http://www.youtube.com/watch?v=GuIRjtZJGmQ
The following news articles and more occurred
5/7/10....
Turns out we have a lot more in common
with Neanderthals than we
thought. In a stunning breakthrough, researchers at Germany's Max
Planck Institute for Evolutionary Anthropology have mapped
the Neanderthal genome. After comparing it with the genomes of five
modern humans, they found that 1 to 4 percent of the DNA in Eurasians
was inherited from Neanderthals. This suggests that interbreeding
occurred after early humans departed
from Africa.
http://www.theatlanticwire.com/opinions/view/opinion/Humans-Share-Neanderthal-Ancestry-After-All-3522
How closely are Neanderthals related to us? They are so closely
related that some researchers group
them
and
us as a single species. "I would see them as a form of
humans that are bit more different than humans are today, but not
much," says Svante
Pääbo, a palaeogeneticist at the Max Planck Institute in Leipzig,
Germany, whose team sequenced the Neanderthal genome.The common
ancestor of humans and Neanderthals lived in Africa around half a
million years ago. After that, the ancestors
of
Neanderthals
moved north and eventually made it to Europe and
Asia. Our ancestors, meanwhile, stuck around Africa until about 100,000
years ago before eventually
conquering
the
globe. Neanderthals died out around 28,000 years
ago.
http://www.newscientist.com/article/dn18869-neanderthal-genome-reveals-interbreeding-with-humans.html
.
Scientists compared the Neanderthal genome with the genomes of five
present-day humans from different parts of the world: France, China,
Papua New Guinea and southern and western Africa. The findings suggest
that modern humans, after migrating from Africa 45,000 to 80,000 years
ago, bred with Neanderthals then in the Middle East before spreading
into Eurasia. The authors estimated that 1 to 4 percent of the modern
human genome of
non-Africans can be traced back to the Neanderthal.
"The main finding is that there was gene flow from Neanderthals into
the ancestors of modern non-Africans," David Reich, a geneticist and
associate professor
at the Harvard Medical
School Department of
Genetics, said Wednesday. Neanderthals first appear in the European
fossil record about 400,000 years ago. Roughly 30,000 years ago, the
cave-dwelling hominids in Europe and Asia went extinct. CNN
http://www.cnn.com/2010/TECH/science/05/07/neanderthal.human.genome/
The researchers identified a catalog of genetic features unique to
modern humans by comparing the Neanderthal, human, and chimpanzee
genomes. Genes involved in cognitive development, skull structure,
energy metabolism, and skin morphology and physiology are among those
highlighted in the study as likely to have undergone important changes
in recent human
evolution. Science Daily
article http://www.sciencedaily.com/releases/2010/05/100506141549.htm
Posted by Kathy Meeh
Saturday, May 8, 2010
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