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Amazigh people and climate adaptation
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[QUOTE]Originally posted by osirion: [QB] Northern Africa, especially West of Egypt, is a patch work of genetic types from all the neighboring areas ( Europe, West Asia, East Africa, Saharan and Sub-Saharan Africa ). Unlike NE Africa where there is a bi-directional channel allowing for tropically adapted Africans to move Northward, NW Africa has a bottleneck preventing substantial numbers of tropically adapted Africans to emigrate. However, many of the berger speaking groups of Northern Africa are substantially indigenous Africans. There is no question about the female mediated gene flow from Europe and Western Asia, however, many berber speaking groups are nevertheless primarily African. Given this fact, what accounts for their striking difference in appearance from the founding East African groups that brought the Caspian culture into NW Africa along with the Afro-Asiatic language? Besides the question of recessive genes which is well known in East African populations, there is also climate adaptation. An example of climate adaptation that is helpful in illustrating how two groups can be closely related and yet look significantly different are the Ainu and the Andaman Island people. Example of the Ainu: [IMG]http://www.d.umn.edu/cla/faculty/troufs/anth1095/images/AinuMan.jpg[/IMG] Example of the Andman Island people: [IMG]http://academic.evergreen.edu/g/grossmaz/LEEPERFY/andaman-1.jpg[/IMG] As you can see, climate adaptation can make related groups of people appear to be quite different from each other. The same is true of the Bantu and the Berbers to some degree. Though Berber people have a significant non-African input. What is not disputed is the origin of Berbers and that is with the rest of the Afro-Asiatic speaking groups - essentially the land of Punt. The Kenya Capsian culture spread Northward up the Nile and then into NW Africa in the last 15K years. This group of East Africans replaced the Iberian culture that was present in NW Africa. The Iberian culture may have been a European group of people that had taken refuge in NW Africa during the last glacial maximum. Interested in any additional information on the origin of the Caspian culture as well as the original Iberian peoples of NW Africa. [/QB][/QUOTE]
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