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Old 11-17-2015, 03:24 AM
 
Location: West Coast of Europe
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People from parts of NE Africa have traditionally been considered Caucasians for a long time, obviously for a reason. And they do look different from, say, Nigerians.

One thing to keep in mind is that back then the whole world was sparsely inhabited, so a single man migrating to another region and having a family there (which back then meant a dozen kids or so), could totally change the genetic makeup of an entire region in the long run. That applies to the most of the world. Think of Genghis Khan.

Just 2.5 thousand years ago for instance Africa looked very different, the Bantu expansion had not taken place yet, and the Southern half of the continent, which is now overwhelmingly Bantu, was mostly empty and inhabited by hunter-gatherers such as the San, who also don't look like typical black Africans, they look a bit East Asian, actually.

I wonder if that Eurasian admixture in some Africans also introduced the Neanderthal genes, which supposedly only non-Africans have.
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Old 11-17-2015, 04:38 AM
 
931 posts, read 619,361 times
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Quote:
Originally Posted by Neuling View Post
People from parts of NE Africa have traditionally been considered Caucasians for a long time, obviously for a reason. And they do look different from, say, Nigerians.

One thing to keep in mind is that back then the whole world was sparsely inhabited, so a single man migrating to another region and having a family there (which back then meant a dozen kids or so), could totally change the genetic makeup of an entire region in the long run. That applies to the most of the world. Think of Genghis Khan.

Just 2.5 thousand years ago for instance Africa looked very different, the Bantu expansion had not taken place yet, and the Southern half of the continent, which is now overwhelmingly Bantu, was mostly empty and inhabited by hunter-gatherers such as the San, who also don't look like typical black Africans, they look a bit East Asian, actually.

I wonder if that Eurasian admixture in some Africans also introduced the Neanderthal genes, which supposedly only non-Africans have.

All Non-Africans Part Neanderthal, Genetics Confirm : Discovery News
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Old 11-17-2015, 05:41 AM
 
177 posts, read 154,645 times
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Quote:
Originally Posted by Neuling View Post
People from parts of NE Africa have traditionally been considered Caucasians for a long time, obviously for a reason. And they do look different from, say, Nigerians.

One thing to keep in mind is that back then the whole world was sparsely inhabited, so a single man migrating to another region and having a family there (which back then meant a dozen kids or so), could totally change the genetic makeup of an entire region in the long run. That applies to the most of the world. Think of Genghis Khan.

Just 2.5 thousand years ago for instance Africa looked very different, the Bantu expansion had not taken place yet, and the Southern half of the continent, which is now overwhelmingly Bantu, was mostly empty and inhabited by hunter-gatherers such as the San, who also don't look like typical black Africans, they look a bit East Asian, actually.

I wonder if that Eurasian admixture in some Africans also introduced the Neanderthal genes, which supposedly only non-Africans have.
This is a combination of non scientific speculation heavily mixed in with nonsense.

NE Africans have been considered Caucasians by whom? Why and for how long? What exactly is a 'Caucasian'?

I'll save you the effort; its an outdated term that is meaningless and originally based upon nonsense and wishful thinking.
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Old 11-17-2015, 07:16 AM
 
Location: West Coast of Europe
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Well, such terms were not invented by me. They may not be very scientific, but they have not disappeared, yet. They have been around since the 19th century afaik, maybe even longer.
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Old 11-17-2015, 09:42 PM
AFP AFP started this thread
 
6,931 posts, read 4,308,208 times
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Quote:
Originally Posted by Neuling View Post
People from parts of NE Africa have traditionally been considered Caucasians for a long time, obviously for a reason. And they do look different from, say, Nigerians.

One thing to keep in mind is that back then the whole world was sparsely inhabited, so a single man migrating to another region and having a family there (which back then meant a dozen kids or so), could totally change the genetic makeup of an entire region in the long run. That applies to the most of the world. Think of Genghis Khan.

Just 2.5 thousand years ago for instance Africa looked very different, the Bantu expansion had not taken place yet, and the Southern half of the continent, which is now overwhelmingly Bantu, was mostly empty and inhabited by hunter-gatherers such as the San, who also don't look like typical black Africans, they look a bit East Asian, actually.

I wonder if that Eurasian admixture in some Africans also introduced the Neanderthal genes, which supposedly only non-Africans have.
The introduction of agriculture contributed to the Bantu expansion they hail from the border region of Nigeria/Cameroon the region where agriculture is believed to have spread from in West Africa.


https://www.youtube.com/watch?v=foREkxrfyy8

The Khoisan are more genetically diverse than the West Africans, actually they are the most genetically diverse population period, because they once were the largest population the Khoisan are more like the original group all populations branched from. The DNA the creates those "Asian like" features is not from back migrations.

Yes the Eurasian back migration introduced Neanderthal dna, trace amounts have been found in the Yoruba tribe of West Africa. Last paragraph of this link.

https://www.newscientist.com/article...vealed-in-dna/

Last edited by AFP; 11-17-2015 at 10:04 PM..
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Old 11-18-2015, 05:16 AM
 
Location: West Coast of Europe
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Some of the inhabitants of southern Africa look "unusual":
Absolute Bushmanland - photographs of San people - Ju/'hoansi Bushman photo

In West Africans the Neanderthal DNA might also have come from Berbers, some of whom were in contact with the Iberian peninsula (Portugal is believed to be the region where Neanderthals lived the longest before they finally "disappeared"), crossing the Sahara back and forth on their trade routes. But I don't know if the Berbers have Neanderthal DNA. I assume they do.
There were also Vikings along the North African coast, who might have left genetic traces. Who knows...
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Old 11-18-2015, 06:44 AM
AFP AFP started this thread
 
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Quote:
Originally Posted by Neuling View Post
Some of the inhabitants of southern Africa look "unusual":
Absolute Bushmanland - photographs of San people - Ju/'hoansi Bushman photo

In West Africans the Neanderthal DNA might also have come from Berbers, some of whom were in contact with the Iberian peninsula (Portugal is believed to be the region where Neanderthals lived the longest before they finally "disappeared"), crossing the Sahara back and forth on their trade routes. But I don't know if the Berbers have Neanderthal DNA. I assume they do.
There were also Vikings along the North African coast, who might have left genetic traces. Who knows...
Possibly I don't think anyone has yet sequenced the lapido child's dna so that we can know for sure if he indeed was a hybrid.

Lagar Velho - the Hybrid Child from Portugal
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Old 11-19-2015, 08:17 AM
 
Location: Pittsburgh, PA (Morningside)
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Originally Posted by TheWiseWino View Post
For example, the Wodaabe a sub-group of the Fulani ethnic group who inhabit Niger, Cameroon, Central African Republic, Chad, Nigeria have the same facial features that you ascribe to Ethiopians, a nation with 80 distinct ethnic groups.
FWIW, modern genetic tests have shown the Fulani are around 25% Berber. Which explains pretty well why they have lighter skin and more "white" features than other West Africans.
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Old 11-19-2015, 08:54 PM
 
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Originally Posted by eschaton View Post
FWIW, modern genetic tests have shown the Fulani are around 25% Berber. Which explains pretty well why they have lighter skin and more "white" features than other West Africans.
Aren't Tuaregs, who are or can be pretty dark, Berber as well though? https://en.wikipedia.org/wiki/Tuareg_people
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Old 11-19-2015, 09:18 PM
AFP AFP started this thread
 
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Originally Posted by ckhthankgod View Post
Aren't Tuaregs, who are or can be pretty dark, Berber as well though? https://en.wikipedia.org/wiki/Tuareg_people
They are of partial Berber ancestry in your link the paternal lineages Y-DNA of four Taureg populations were tested E-M81 is considered the Berber marker. The Berber Y-DNA for the four populations range from 11.1%-81.8% . On the maternal side some Tuareg populations are primarily of Eurasian and European ancestry with a minor amount of sub-Saharan African while other populations are almost entirely sub-Saharan African on the maternal side.
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