"Newly evolved fur coat a quick hit in Nebraska"

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	"Newly evolved fur coat a quick hit in Nebraska"

cakebelly

8-28-2009 12:14 PM

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8-28-2009 3:34 PM

Steve Savage

That means the trait arose from a new mutation which rapidly spread through the local deer mouse population.

A textbook example of 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://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/e09bf188-1cc2-4568-a85a-633d3da6b855/14336D71-FF32-4D1C-9044-95F672921337/" 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://www.grahamhancock.com/news/index.php" href="http://www.grahamhancock.com/news/index.php" style="font-size: 11px;">www.grahamhancock.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.grahamhancock.com/news/index.php"><div align="center"><img src="http://content6.clipmarks.com/blog_cache/www.grahamhancock.com/img/2F975B79-BB45-4A54-9354-76D0C1B23B44" alt="" /></div></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://www.grahamhancock.com/news/index.php"><P><DIV>Deer mice have pulled off the opposite trick to the famous peppered moth, evolving a light coat to disguise themselves from predators. What's more, they did it even though their ancestors had no genes for light coats.</DIV><BR />Most deer mice have dark fur, which would stand out vividly against the pale-coloured Sand Hills of Nebraska. The hills formed around 10,000 years ago, but genetic analysis performed by Catherine Linnen of Harvard University and colleagues found that back then the deer mouse genome didn't contain the genes for light fur. That means the trait arose from a new mutation which rapidly spread through the local deer mouse population.</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;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/14336D71-FF32-4D1C-9044-95F672921337/blog/" title="blog or email this clip"><img src="http://content7.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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