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DNA studies if black amazigh im Morocco
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[QUOTE]Originally posted by Swenet: [QB] [QUOTE]Originally posted by Doug M: I am suggesting that sampling bias is skewing the data and that therefore you won't get as accurate results. For example, Tuaregs are spread across at least 4 countries in Africa. So when they sample "the Tuareg" which groups are they sampling? This goes for every other linguistic or ethnic group. And separate from that there is how you slice and dice the data, which more often than not is to try and reinforce historic beliefs which are not validated by the data: ie. North Africa as primarily derived from Eurasia, as opposed to North Africa primarily African with some Eurasian mixture. [/qb][/QUOTE]I agree on the Tuareg example. But that's not what we're talking about. You started out saying that [URL=http://www.egyptsearch.com/forums/ultimatebb.cgi?ubb=get_topic;f=8;t=009525;p=4#000196]it would have been a drastically different result in the treemix analysis if a 'better' SSA sample was used[/URL] and that any conclusion is invalid unless geneticists scour the entire Sahara to find the best reference population for the African ancestry in the Maghreb. Based on what? How do you know that would drastically improve results? It seems like you're just venting without having any proof. [/QB][/QUOTE]
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