<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/385e9ac2-3897-443a-a367-f3c8a58a4230/7F2E488C-14BC-4F5C-B677-818FBD948C1E/" 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.npr.org/templates/story/story.php?storyId=88228156&ft=1&f=1001" href="http://www.npr.org/templates/story/story.php?storyId=88228156&ft=1&f=1001" style="font-size: 11px;">www.npr.org</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.npr.org/templates/story/story.php?storyId=88228156&ft=1&f=1001"> A new study of DNA suggests nearly all Native Americans can trace part of their ancestry to just six women, whose descendants immigrated to North, Central and South America as much as 20,000 years ago.</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.npr.org/templates/story/story.php?storyId=88228156&ft=1&f=1001"><P>According to the study published this week by the scientific journal <EM>PLoS One</EM>, researchers believe the women left a DNA legacy that can be found in about 95 percent of native people throughout the Americas. </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://www.npr.org/templates/story/story.php?storyId=88228156&ft=1&f=1001"><P>The study said the finding does not mean those six women were the only ancestors of the migrants who populated the Americas from Asia. </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://www.npr.org/templates/story/story.php?storyId=88228156&ft=1&f=1001"><P>Researchers said the women probably did not live in Asia because the DNA signatures they left behind are not found there. They likely lived on Beringia, a now-submerged land bridge that once connected Asia and North America.</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://www.npr.org/templates/story/story.php?storyId=88228156&ft=1&f=1001"><P>The estimate for when the women lived is open to question because it is unclear if the researchers properly accounted for differing mutation rates in mitochondrial DNA, she said. Further work could change the estimate, she said.</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/7F2E488C-14BC-4F5C-B677-818FBD948C1E/blog/" title="blog or email this clip"><img src="http://content6.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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