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Genomic Ancestry of North Africans Supports Back-to-Africa Migrations Brenna M. Henn
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[QUOTE]Originally posted by the lioness,: [QB] [QUOTE]Originally posted by Son of Ra: But still the coastal region is not all of North Africa. And back then I doubt that was the region of North Africa that was mostly populated. There wasn't always a Sahara desert. [/QB][/QUOTE]They are collecting modern DNA from the Maghrebian countries and then theorizing the ancestral lineage of that DNA for an averaged person form that region. They took DNA samples from the large population centers over 90% of the Magrehbians live in. Then they compare it to DNA that has been collected in other places in Africa some old some new to try to put the modern DNA into historical context. As an analogy the United States. The current population is mainly of Euroepan ancestry. If you look at the same territory 500 years ago the population was mainly of Ameridnian descent. In these articles they are starting with samples that represent the average population of a given country. Then they speculate on the back history of them. The average American today is not Amerindian. You can sample every native tribe but the native people are now a small minority 1.7 %. while African Americans for example are 13% In North Africa however non-Africans have been recorded for about 3000 years. At the same time there have been later infuxes such as with the Islamic conquests. This article suggest earlier migrations. The fact is that if you go down to the next region South the Sahel the genetic characteristics of most people are simlar to a small extent and different to a large extent So in looking at these Magheb countries today ask the question is the average person from them primarily African or not? Hypothetically imagine having every single person's DNA and then compiling an average, Maybe Troll can help with this question. Is the avergae Maghrebian today primarily of African descent? yes or no? [/QB][/QUOTE]
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