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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 Clyde Winters: [QB] Supercar [QUOTE] We are saying that you are arriving at the wrong conclusions from the study. It is not the study that is the problem at hand; it is how you are interpreting it to support the highly biologically-questionable idea of human "races". [/QUOTE][b] This is not my conclusion. It was the conclusion of the researchers who discussed their findings in the article below. Are you saying that the authors of the article below are misquoting the scientists from the 13 leading genetic institutions who claim that races exist.[/b] [QUOTE] http://tinyurl. com/yh7kp2 There are just under 30,000 genes in the human genome, which consists of about 3 billion "letters" of the DNA code. The scientists found that more than 10 per cent of these genes appear to be multiplied in the 270 people who took part in the study.[b] They do not know why some genes are copied and some are not. One gene, called CCL3L1, which is copied many times in people of African descent, appears to confer resistance to HIV. Another gene involved in making a blood protein is copied many times in people from south-east Asia and seems to help against malaria.[/b] Other research has shown that variation in the number of copies of some genes is involved in Alzheimer's and Parkinson's disease. [b] Are there any other practical applications? The scientists looked at people from three broad racial groups - African, Asian and European. Although there was an underlying similarity in terms of how common it was for genes to be copied, there were enough racial differences to assign every person bar one to their correct ethnic origin. This might help forensic scientists wishing to know more about the race of a suspect. Who made the discovery and where can we read more about it? Scientists from 13 research centres were involved, including Britain's Sanger Institute in Cambridge, which also took a lead role in deciphering the human genome. The research is published in Nature, Nature Genetics and Genome Research. [/b] [/QUOTE] [/QB][/QUOTE]
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