War Between The Sexes Influences Evolution in Some Species, Say Scientists

Competition and conflict between males and females start inside the egg in some species, say scientists. Birds, butterflies, and snakes have a genetic war between the sexes that influences the way they evolve, according to a new theory published in the April 7 issue of the journal Science.

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<p><a href="http://www.physorg.com/news63642880.html">War Between The Sexes Influences Evolution in Some Species, Say Scientists</a></p> <p>Competition and conflict between males and females start inside the egg in some species, say scientists. Birds, butterflies, and snakes have a genetic war between the sexes that influences the way they evolve, according to a new theory published in the April 7 issue of the journal <i>Science</i>.</p>