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O.T. Races Exist: Global variation in copy number in the human genome
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[QUOTE]Originally posted by rasol: [QB] ^ Good citation, Dr. Winters. You are referencing current science which is a step in the right direction. However this article about the use of genetics in medicine does not claim that race can be determined biologically. What Lupski does claim is that the number of replications of some genes varies in individuals, species and groups more than was previously thought. In this study he also tested distinct ethnic groups using parent offspring trio's for the Yoruba [YRI] Nigerians, and white(?) people from Utah [CEU], as well as unrelated Chinese and Japanese. It's not suprising that family trios of Utah would cluster together relative to Yoruba Nigerians, Chinese and Japanese....you could easily reproduce that result using autosomal distance, or Y chromosome [Utah white will have lots of R1b and I, Yoruba will have lots of E3a]. The ability to find different gene frequencies in different ethnic groups is nothing new, and you can do this - within - typological races as well as between them. There are only two results that are "surprising", the relative similarity of results among Chinese and Japanese...and the fact that some of the "Europeans" of Utah [CEU] appear to be intermediate with respect to Yoruba, other "Europeans" and Chinese/Japanese. And, at least one of the Chinese is closer to the parent/sibling groups of Utah than to [b]any[/b] of the other Chinese, while one of the Utah/Europeans is further away from the others in his assigned group, than the Chinese is. This certainly doesn't 'prove' race typology, and in fairness, no one associated with the study claims otherwise.... [IMG]http://www.nature.com/nature/journal/v444/n7118/images/nature05329-f7.2.jpg[/IMG] [/QB][/QUOTE]
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