<div dir="ltr"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><span style="font-family:arial,sans-serif">On Thu, Apr 7, 2016 at 1:01 AM, spike </span><span dir="ltr" style="font-family:arial,sans-serif"><<a href="mailto:spike66@att.net" target="_blank">spike66@att.net</a>></span><span style="font-family:arial,sans-serif"> wrote:</span><br></div><div class="gmail_extra"><div class="gmail_quote"><br></div><div class="gmail_quote"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">​<font size="4">To me one of the most interesting things about CRISPR is that we can use it to enable Gene Drive. Normally there is only a 50% chance that a particular gene in an individual will end up in one of its offspring,  so if you engineer a gene that is harmful the animal could not compete with its natural counterparts and so the artificial gene would soon disappear from the genepool; but with gene drive you can increase the odds it will be inherited from 50% to 100% and you've short circuited Evolution. Even if the gene makes an individual less competitive it will spread through a population like wildfire in just a few generations. You could use this technique to make mosquitoes extinct.  </font></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><a href="https://www.technologyreview.com/s/600689/we-have-the-technology-to-destroy-all-zika-mosquitoes/">https://www.technologyreview.com/s/600689/we-have-the-technology-to-destroy-all-zika-mosquitoes/</a>   </div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><font size="4"> John K Clark    </font></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><br></div></div><div class="gmail_quote"><br></div><div class="gmail_quote"><br></div><div class="gmail_quote"><br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div lang="EN-US" link="#0563C1" vlink="#954F72"><div><p class="MsoNormal"><br><u></u></p></div></div>
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