<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div>On Oct 3, 2558 BE, at 10:33 AM, John Clark <<a href="mailto:johnkclark@gmail.com">johnkclark@gmail.com</a>> wrote:</div><div><br></div><blockquote type="cite"><div dir="ltr"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">Why hasn't Evolution insured that everybody is beautiful? I can think of 2 reasons and they both involve sex:</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">1) Traits that we find attractive in one sex we may think ugly or grotesque in another, so a gene that enhances that trait will not dominate the gene pool.</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">2) Even if both sexes find a trait attractive the natural environment may not agree; I'm thinking of the tail of a peacock which is a hindrance at flight and a hindrance at everything except at finding a satisfactory mate. If the tail gets much larger or more beautiful the bird will probably go extinct in a blaze of gorgeousity.</div></div></blockquote><br><div>Reproductive and selective mechanisms are also imperfect, no? And what amount of what's considered beautiful is heritable?</div><div><br></div><div><div style="line-height: normal;"><span style="line-height: 20px; background-color: rgba(255, 255, 255, 0);">Regards,</span></div><div style="line-height: normal;"><span style="line-height: 20px; background-color: rgba(255, 255, 255, 0);"><br></span></div><div><div style="line-height: normal;"><span style="line-height: 20px; background-color: rgba(255, 255, 255, 0);">Dan</span></div><div style="line-height: normal;"><span style="background-color: rgba(255, 255, 255, 0);"> Sample my Kindle books via:</span></div><div style="line-height: normal;"><a href="http://www.amazon.com/Dan-Ust/e/B00J6HPX8M/" target="_blank" style="background-color: rgba(255, 255, 255, 0);"><font color="#000000">http://www.amazon.com/Dan-Ust/e/B00J6HPX8M/</font></a></div></div></div></body></html>