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It's not so strange really. Humans share 90% DNA with cats and mice, cows and zebra fish about 80% and maybe 60% with a fruit fly. A small percentage can make a big difference especially on behavior.
I'm looking at from the standpoint that humans once got "romantic" with another species that shares even less DNA with us than chimps (grant it we are talking about 0.1%).
It's just weird to think about. For me anyway. Science is cool and nutty.
The most recent evidence is much stronger than what came before because new tech has allowed for much more thorough genetic analysis. And there is close agreement among the new studies. This team claims that out-of-Africa could not have occurred more than 75,000 years ago, but that there was an earlier group that left 125,000 years ago which accounts for 2% of Papuan DNA and left no trace in other populations.
Maybe so, since the dividing line between species is often defined as the inability to mate and produce healthy offspring. Homo sapiens and Neanderthals apparently did have children together who survived and had children of their own.
Neanderthals and homo sapiens are separate species. Many species do interbreed with one another, like the wolf and coyote and polar bears and brown bears. The inability to interbreed is not a strict rule for separate species classification, but more a general rule of thumb. Neanderthals and homo sapiens had lower inter-fertility and genetic compatibility than would be expected from members of the same species. This is one reason that Neanderthals are classified as a different species from homo sapiens.
LOL. this guy looks like a living Neanderthal..........
Nah. He's Estonian and shows his central Asian ancestry. Baltic people like Estonian and Finns were sometimes classified as Mongoloid in early racial classifications because their skulls and body type showed affinities to East Asians. Just imagine that guy with black, wiry hair and he would resemble a Mongolian. We know now that's because Estonians and Finns originate from central Asia.
It destroys the fairy tale that we are all the same that a large part of left-wing politics is reliant upon. If we aren't the same, it means that biology might explain a variety of social issues that have previously been blamed on environment. And that means that social programs are probably pointless since a social program can't change genetics.
Who in the hell believes that we're all the same? I know i don't.
But regardless, you now have your evidence and you're now armed with the information that you've wanted all along.
Now what? What are you gonna do with it? Gonna get rid of all of those "pointless" social programs?
Tell you what; take your study to your elected politicians and demand that they act on it. Lemme know what happened.
With the results from 3 major studies now in, there doesn't seem to be much doubt left about this. All non-Africans can trace the vast majority of their ancestry (96% or more) to a single small group of Homo sapiens who left Africa between 50,000 and 80,000 years ago. And members of this group also received a small amount of DNA from Neanderthals and/or Denisovans. Africans are not closely related to the out-of-Africa group and did not receive DNA from the other human groups.
The word choices are interesting and may reveal something deeper, but I leave that for the word-parsers and psychologists. What I see is, -to make my point obvious, -we could also say "there are two groups of humans living today: Americans and non-Americans, or we could shift to "Canadians and non-Canadians" or any other group.
Africans? Don't you realize there are lots of white Africans just like there are lots of white Canadians?
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I was thinking the same thing.
