Parental genes do what's best for baby

A molecular "battle of the sexes" long considered the major driving force in a baby's development is being challenged by a new genetic theory of parental teamwork.

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<p><a href="http://www.physorg.com/news84027061.html">Parental genes do what's best for baby</a></p> <p>A molecular "battle of the sexes" long considered the major driving force in a baby's development is being challenged by a new genetic theory of parental teamwork.</p>