There are two major admixture events that affected north africa.

  1. In historical order, Egyptians consist of about 45% late east africans, 45% South caucasians, and 10% Phoenicians.
  2. The last major migration out of africa was about 25000 years ago. Africa is best thought of as three or four separate “continents” due to its size and geography. The mediterranean, the desert, the ‘green band’ from west africa to ethiopia/Yemen, the inhospitable south, and the south/southeast coast.
  3. The civilization that developed on the trade route between ethiopia and yemen gave birth to that major migration. That migration “E”, spread north and then west into north africa.
  4. There was an admixture event between west eurasians (Caucasians “J1″) and these peoples. Current admixture (E+J1) is about even between the two. (An interesting nit is that it’s possible north africans domesticated cattle separately. ) I am not sure of the admixture relationship between the Phoenicians and Berbers, although I am certain there are people in the world who know that. It’s not an area that I have studied. As I understand it the Phoenicians (east mediterraneans) contributed about ten percent to the current distribution. So between Red Sea origins, north African expansion, conquest by or integration with, south caucasians (people with black hair), and conquest by/integration with the Phoenicians (as well as some mixture because of the usual mediterranean trade), I think we understand most of the genetic history of North Africans.
  5. The Arab conquest of North Africa that destroyed North African, Egyptian, and Levantine civilizations left less genetic impression on these peoples than one would think.
  6. In my understanding, there has been negligible crossover between subsaharan africans and north africans because the desert and distance has been prohibitive.
  7. The Roman defeat of Carthage (west phoenicians) was a catastrophe for mankind just as the battle between Sparta and Athens, and between Germany(ie: sparta) and england(ie:athens) were catastrophes. We never seem to learn from history that the farmer-army and merchant-navy require each other to compete successfully
  8. The Arab conquest was far worse however (as it was everywhere in the world), because islam is the last civilization to adjust to the end of the Abrahamic Dark Age and the Restoration of Science (the enlightenment) and the most resistant to it – and even if we are lucky, it will take another one to two hundred years of progress to bring north africa out of its current condition.

Cheers

https://www.quora.com/Why-do-you-think-genetically-and-ethnically-speaking-Egyptians-They-are-usually-grouped-separately-are-so-distinct-and-separate-from-Berbers-and-other-groups-surrounding-Egypt

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