A snow white science?

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	A snow white science?

balthazarus

5-31-2009 3:54 AM

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tags:

science, language, animals, genetics

balthazarus says:

“People shouldn’t think of this as the one language gene but as part of a broader cascade of genes,” he said. “It would have been truly spectacular if they had wound up with a talking mouse.”

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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/7b70b667-ae74-4ae0-ba1a-61572a243959/FF6A8E41-2B6E-44BB-88AF-EEA5E825EF63/" 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.nytimes.com/2009/05/29/science/29mouse.html?_r=2&scp=1&sq=svante&st=cse#" href="http://www.nytimes.com/2009/05/29/science/29mouse.html?_r=2&scp=1&sq=svante&st=cse#" style="font-size: 11px;">www.nytimes.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.nytimes.com/2009/05/29/science/29mouse.html?_r=2&scp=1&sq=svante&st=cse#"><NYT_HEADLINE type=" " version="1.0">
A Human Language Gene Changes the Sound of Mouse Squeaks
</NYT_HEADLINE></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.nytimes.com/2009/05/29/science/29mouse.html?_r=2&scp=1&sq=svante&st=cse#">People have a deep desire to communicate with animals</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.nytimes.com/2009/05/29/science/29mouse.html?_r=2&scp=1&sq=svante&st=cse#">gene, FOXP2, was identified in 1998 as the cause of a subtle speech defect in a large London family</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.nytimes.com/2009/05/29/science/29mouse.html?_r=2&scp=1&sq=svante&st=cse#">difficulties with articulation and grammar</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.nytimes.com/2009/05/29/science/29mouse.html?_r=2&scp=1&sq=svante&st=cse#">FOXP2 quickly attracted the attention of evolutionary biologists because other animals also possess the gene</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.nytimes.com/2009/05/29/science/29mouse.html?_r=2&scp=1&sq=svante&st=cse#">the human version differs significantly in its DNA sequence</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.nytimes.com/2009/05/29/science/29mouse.html?_r=2&scp=1&sq=svante&st=cse#">engineered a strain of mice whose FOXP2 gene has been swapped out for the human version</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.nytimes.com/2009/05/29/science/29mouse.html?_r=2&scp=1&sq=svante&st=cse#">a great many genes must have undergone evolutionary change to endow people with the faculty of language</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.nytimes.com/2009/05/29/science/29mouse.html?_r=2&scp=1&sq=svante&st=cse#">possession of the human version of FOXP2 does in fact change the sounds that mice use to communicate with other mice, as well as other aspects of brain function.</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.nytimes.com/2009/05/29/science/29mouse.html?_r=2&scp=1&sq=svante&st=cse#">In a region of the brain called the basal ganglia, known in people to be involved in language, the humanized mice grew nerve cells that had a more complex structure</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/FF6A8E41-2B6E-44BB-88AF-EEA5E825EF63/blog/" title="blog or email this clip"><img src="http://content9.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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