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Old 09-24-2016, 10:34 PM
 
Location: Japan
15,292 posts, read 7,756,889 times
Reputation: 10006

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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.

Read all about it in the NYT:

http://www.nytimes.com/2016/09/22/sc...tory.html?_r=0

And watch a lecture from one of the main scientists involved, Carl Zimmer:


https://www.youtube.com/watch?v=nxYb0QtN1WI

Here is a simple chart that explains it all:

https://twitter.com/carlzimmer/statu...638976/photo/1

Out of Africa - The Unz Review

Last edited by The Dark Enlightenment; 09-24-2016 at 11:42 PM..

 
Old 09-24-2016, 11:39 PM
 
8,275 posts, read 7,944,929 times
Reputation: 12122
Oh boy. This will need to be suppressed. This is a really inconvenient hate fact.
 
Old 09-24-2016, 11:56 PM
 
19,966 posts, read 7,870,334 times
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I tend to agree with what the genetic research shows. But I think the divergence was twice as long ago. A divergence or isolated breeding group can create significant differences in a few 1000's years or less. Not that it makes much difference, I still think there is evidence of an Out of Asia possibility. The ancestral "Adam" could've lived first somewhere in Asia, but the evidence presented doesn't seem as strong. There is vast amounts of contradictory evidence.
 
Old 09-25-2016, 12:06 AM
 
56,988 posts, read 35,189,362 times
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Quote:
Originally Posted by War Beagle View Post
Oh boy. This will need to be suppressed. This is a really inconvenient hate fact.
Suppressed for what? Inconvenient to whom? Hate fact, how?

I think you're kinda flattering yourself. For one, this isn't the first time many people have heard this before. And two, does this change anything about our lives today?

So there are two groups of humans. Ok. Now what?
 
Old 09-25-2016, 12:12 AM
 
19,966 posts, read 7,870,334 times
Reputation: 6556
Quote:
Originally Posted by desertdetroiter View Post
Suppressed for what? Inconvenient to whom? Hate fact, how?

I think you're kinda flattering yourself. For one, this isn't the first time many people have heard this before. And two, does this change anything about our lives today?

So there are two groups of humans. Ok. Now what?
Nothing really other than the liberal narrative that race and ethnicity is just "skin color" and the "people of color" vs white clap trap is politico-social construct not supported by scientific scrutiny.
 
Old 09-25-2016, 12:12 AM
 
Location: Japan
15,292 posts, read 7,756,889 times
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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.



https://www.youtube.com/watch?v=z9LRdoMeXC4
 
Old 09-25-2016, 12:16 AM
 
56,988 posts, read 35,189,362 times
Reputation: 18824
Quote:
Originally Posted by mtl1 View Post
Nothing really other than the liberal narrative that race and ethnicity is just "skin color" and the "people of color" vs white clap trap is politico-social construct not supported by scientific scrutiny.
Ok...it's not just skin color. You now have your beloved scientific evidence that you're special.

Now what? What're you gonna do with this information?
 
Old 09-25-2016, 12:24 AM
 
Location: Santa Monica
36,853 posts, read 17,357,575 times
Reputation: 14459
Quote:
Originally Posted by mtl1 View Post
Nothing really other than the liberal narrative that race and ethnicity is just "skin color" and the "people of color" vs white clap trap is politico-social construct not supported by scientific scrutiny.
But race still is a social construct.

The variables within the human species have never been enough to classify humans into sub-species (which is what "race" would be).

We just learned more about the variables and this development does show greater difference between humans but we're still far away from tweaking the work of Linnaeus.
 
Old 09-25-2016, 12:33 AM
 
Location: Virginia
6,230 posts, read 3,607,008 times
Reputation: 8960
But the genetic differences between an African from Somalia and an African from Nigeria can be greater than between the Somalian and a Swede. So....
 
Old 09-25-2016, 12:36 AM
 
Location: Japan
15,292 posts, read 7,756,889 times
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Quote:
Originally Posted by No_Recess View Post
But race still is a social construct.

The variables within the human species have never been enough to classify humans into sub-species (which is what "race" would be).

We just learned more about the variables and this development does show greater difference between humans but we're still far away from tweaking the work of Linnaeus.
Why couldn't the out-of-Africa group be categorized as a sub-species of Homo-sapiens? It seems to meet most or all of the usual criteria.


Quote:
Members of one subspecies differ morphologically or by different coding sequences of DNA from members of other subspecies of the species. Subspecies are defined in relation to species.
As knowledge of a particular group increases, its categorisation may need to be re-assessed.
https://en.wikipedia.org/wiki/Subspecies
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