<div dir="ltr"><div dir="ltr"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><span style="font-family:Arial,Helvetica,sans-serif">On Sat, May 23, 2020 at 5:22 AM Ben via extropy-chat <<a href="mailto:extropy-chat@lists.extropy.org">extropy-chat@lists.extropy.org</a>> wrote:</span><br></div></div><div class="gmail_quote"><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div><i>
<span class="gmail_default" style="font-family:arial,helvetica,sans-serif">> </span>This is why no-one has made more than trivial progress with genetic
engineering to produce novel features. People talk excitedly about
using CRISPR to give people things like an extra thumb, or extend
our vision into the ultraviolet. We have no clue how to do things
like this,</i></div></blockquote><div><br></div><div class="gmail_default" style=""><font face="arial, helvetica, sans-serif"></font><font size="4">Well, we know how to make macro changes in fruit flies, such as sprouting antennas from their eyes, and to make flies that have no eyes at all, and to make a extra pair of legs grow out of the head. Fruit flies have 14,000 genes while humans only have slightly more, 24,000.</font></div><div class="gmail_default" style=""><font size="4"><br></font></div><div class="gmail_default" style=""><font size="4"> John K Clark</font></div></div></div>