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that can be followed back all the way to an ancient African lineage that has never before been found in Western Europe.
They told him his mitochondrial DNA (mtDNA), passed through the female line, was 30,000 years old and only two genetic mutations removed from the first woman, while most men have a genome with around 200 mutations since the earliest humans.
Originally posted by cranspace
It is a small world
Maybe it was the bible
Originally posted by auraelium
It was not the worlds first woman.It was Europes first woman. After a small group of Homo Sapians left the continant of Africa and went to Europe and from them most Europeans are decended.
Antropologists reckon from DNA evidence that about 30,000 years ago some homo sapians from Africa, a small group probably a mother, her daughters and a group of men made it to the European mainland, probably across the straights of Gibralter into southern Spain.From that group most Europeans can trace their liniage.
edit on 30-6-2012 by auraelium because: (no reason given)
That is until careful measurements revealed a significant disequalibrium. The production rate still exceeds decay by 30%. All the present C-14 would accumulate, at present rates of production and build up, in less than 30,000 years! Thus the earth's atmosphere couldn't be any older than this.
(and therefore life) is less than 30,000 years old on earth
Life on Earth dramatically surged around three billion years ago, possibly when primitive forms developed more efficient ways to harness energy from sunlight, according to a study published on Sunday in Nature.
Early fossils date back to a period called the Cambrian Explosion, some 588 million years ago.
Early fossils date back to a period called the Cambrian Explosion, some 588 million years ago
The human family tree just got another -- mysterious -- branch, an African "sister species" to the heavy-browed Neanderthals who once roamed Europe.
While no fossilized bones have been found from these enigmatic people, they did leave a calling card in present-day Africans: snippets of foreign DNA.
There's only way one that genetic material could have made it into modern human populations.
"Geneticists like euphemisms, but we're talking about sex," said Joshua Akey of the University of Washington in Seattle, whose lab identified the foreign DNA in three groups of modern Africans.
These genetic leftovers do not resemble DNA from any modern-day humans. The foreign DNA also does not resemble Neanderthal DNA, which shows up in the DNA of some modern-day Europeans, Akey said. That means the newly identified DNA came from an unknown group.
"We're calling this a Neanderthal sibling species in Africa," Akey said. He added that the interbreeding likely occurred 20,000 to 50,000 years ago, long after some modern humans had walked out of Africa to colonize Asia and Europe, and around the same time Neanderthals were waning in Europe.
Akey said that present-day Europeans show no evidence of the foreign DNA, meaning the mystery people were likely confined to Africa.