Reuters: Fathering sons or daughters may be in men's genes

[NaDiNe]

Fathering sons or daughters may be in men's genes
      

NEW YORK (Reuters Health) - A UK researcher has a new explanation for how the human race manages to keep a fairly even balance of males and females, despite massive deaths of young males in war and selective abortion of female fetuses in certain parts of the world.<div class="feedflare">
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