<?xml version="1.0" encoding='utf-8'?>
<!DOCTYPE wml PUBLIC "-//WAPFORUM//DTD WML 1.1//EN" "http://www.wapforum.org/DTD/wml_1.1.xml">
<wml>
<card id="card1" title="Ancient DNA - Page 16 - Wikipedia">
<p>
<a accesskey="1" href="page.php?w=ancient_DNA&amp;p=15">1.Previous</a><br />
<a accesskey="3" href="page.php?w=ancient_DNA&amp;p=17">3.Next</a>
</p>
<p>recovery of much older DNA, for example from <a href="page.php?w=Cretaceous">Cretaceous</a> <a href="page.php?w=dinosaur">dinosaur</a> remains, may have stemmed from contamination of the sample.</p>

<p><big>Age limit</big></p>
<p>A critical review of ancient DNA literature through the development of the field highlights that few studies have succeeded in amplifying DNA from remains older than several hundred thousand years. A greater appreciation for the risks of environmental contamination and studies on the <a href="page.php?w=chemical_stability">chemical stability</a></p><p>
<a accesskey="1" href="page.php?w=ancient_DNA&amp;p=15">1.Previous</a><br />
<a accesskey="3" href="page.php?w=ancient_DNA&amp;p=17">3.Next</a>
</p>

<do type="prev" label="Search">
        <go href="search.wml"/>
</do>

</card>
</wml>
