[ExI] IQ and beauty

[Dan TheBookMan]

On Oct 3, 2558 BE, at 10:33 AM, John Clark <johnkclark at gmail.com> wrote:
> 
> Why hasn't Evolution insured that everybody is beautiful? I can think of 2 reasons and they both involve sex:
> 
> 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.
> 
> 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.

Reproductive and selective mechanisms are also imperfect, no? And what amount of what's considered beautiful is heritable?

Regards,

Dan
  Sample my Kindle books via:
http://www.amazon.com/Dan-Ust/e/B00J6HPX8M/
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