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2017 article claims: Nubians an admixed group with gene-flow from outside of Africa
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[QUOTE]Originally posted by the lioness,: [QB] [QUOTE]Originally posted by lamin: Either you fail to see the tendentious Eurocentric racism here or you are just being deliberately coy. Just old wine in new bottles. If the Andaman Islanders or New Guineans decided to back migrate to Africa some 10,000 years ago and settled in what is now Tanzania,little or no research would be done by the Eurocentrics on this. [b] Their goal is to concoct specious proofs that points of civilization so perceived in Africa or in the case of other naive viewers, points of phenotypical interest could not have originated in Africa[/b] This was the case of Ancient Egypt with such fraudulent experts such as Breasted and his fictitious "dynastic race" theory, according to which an Asiatic race entered Egypt to establish the Egyptian dynasties. Seligman's Hamitic hypothesis was of the same tendency. Quick witted Asiatics entered Africa and overpowered slower-witted Africans to establish Africa's high cultures and civilizations. The irony of all of this is that it was [b]Africans themselves who left Africa some 60-70KYA to settle in and introduce human cultures to the rest of the world. Just amusing that the great grandchildren are trying to deny the works of their African patriarch.[/b] [/QB][/QUOTE]Our study suggests that the later migration followed along the Nile, likely being held up by the Nubians until the fall of the Kingdom of Makuria in the 14th Century [4]. Following that historic event, the Arab expansion spread further southward, which can be seen in a succession of admixture events that occur more recent in time as one travels south. Many populations in Sudan that self-identity as Arab, displayed a population history of local Sudanese populations that have admixed with incoming Eurasian populations, and adopted the language and culture of the incoming migrants. In fact most populations from northeast Sudan (Nubian, Arab and Beja groups) seem to be a mixture of Middle Eastern and local northeast African genetic components, although only the Arab groups shifted to the Semitic languages. Cultural and linguistic replacement following the Arab conquest has been described previously in populations of the Maghreb [37, 38, 43]. The Eurasian admixture had less impact on the populations of western Sudan and South Sudan. The Darfurian and Kordofanian populations showed overall less admixture from non-African groups than the northeastern populations (and the limited admixture that does exist is more recent in time). The Nilotic populations have stayed largely un-admixed, which appears to be the case in Ethiopia too, where a similar observation has been made for the Gumuz [23, 44], an Ethiopian Nilotic population that is genetically similar to South Sudan Nilotes. Northeast African Nilotes showed some distinction from an ancient Ethiopian individual (Mota, found in the Mota Cave in the southern Ethiopian highlands), which suggests population structure between northeast and eastern Africa already 4,500 years ago. The modern-day Nilotic groups are likely direct descendants of past populations living in northeast Africa many thousands of years ago. [/QB][/QUOTE]
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