guscayzer

• guscayzer 8 Apr 2013 19:44 UTC

  −2 points

  on: Differ­en­tial re­pro­duc­tion for men and women.

  Well I think what we have established is that it is all in DNA as most things are but what I ask is if there are more girls coming in families resulting in more ancestors then WHY are there more boys in the world