Boy or girl? It's in the father's genes

(PhysOrg.com) -- A Newcastle University study involving thousands of families is helping prospective parents work out whether they are likely to have sons or daughters.

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<p><a href="http://www.physorg.com/news148226702.html">Boy or girl? It's in the father's genes</a></p> <p>(PhysOrg.com) -- A Newcastle University study involving thousands of families is helping prospective parents work out whether they are likely to have sons or daughters.</p>