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Human Survival Genes Pinpointed
tabsey
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2-6-2008 3:19 AM
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science
tabsey
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Interesting read
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2-6-2008
8:35 AM
AcesLucky
Makes sense. The natural selection explanation accounts for this variation wonderfully.
I wonder if there is a branch of knowledge that disagrees with evolution by natural selection?
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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://www.clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/d52d3fcf-cd8e-4467-aab2-b811e2830c42/DC3E006C-C0B4-42A9-AEF5-A6F1288C2EDD/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://dsc.discovery.com/news/2008/02/05/natural-selection-dna.html" href="http://dsc.discovery.com/news/2008/02/05/natural-selection-dna.html" style="font-size: 11px;">dsc.discovery.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://dsc.discovery.com/news/2008/02/05/natural-selection-dna.html"><P><STRONG>Feb. 5, 2008</STRONG> -- Scientists have found more than 500 genes that account for variations across <A target="_blank" href="http://dsc.discovery.com/news/2007/07/18/outofafrica_hum.html">human populations</A>, including skin color, height, and vulnerability to disease, according to a study released Sunday. </P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://dsc.discovery.com/news/2008/02/05/natural-selection-dna.html"><P>By comparing millions of fragments of genetic code from individuals in four groups -- from Nigeria, China, Japan and northwestern Europe -- they showed that natural selection has played a key role in these differences, according to the study.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://dsc.discovery.com/news/2008/02/05/natural-selection-dna.html"><P>The findings hold particular promise for understanding the genetic underpinning of certain diseases.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://dsc.discovery.com/news/2008/02/05/natural-selection-dna.html"><P>For example, the researchers, led by Lluis Quintana-Murci of France's National Center for Scientific Research, pinpointed the tiny genetic variation in the CR1 gene that has made 85 percent of Africans highly resistant to <A target="_blank" href="http://dsc.discovery.com/news/2007/03/20/mosquito_hea.html?category=health&guid=20070320140000">malaria</A>.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://dsc.discovery.com/news/2008/02/05/natural-selection-dna.html"><P>Most other populations in the world do not share this variant, and are thus more susceptible to the mosquito-borne disease.</P></blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;"> </td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/DC3E006C-C0B4-42A9-AEF5-A6F1288C2EDD/blog/" title="blog or email this clip"><img src="http://content8.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>
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