Bird sex is something else

We’ve all heard about the birds and the bees. But apparently when it comes to birds, they have an unusual take on his and hers – and the difference is genetic. Species with differentiated sex chromosomes (X and Y in humans, for example) get around the fact that males and females get different-sized portions of sex chromosome genes with a balancing act geneticists call dosage compensation.

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<p><a href="http://www.physorg.com/news93764555.html">Bird sex is something else</a></p> <p>We’ve all heard about the birds and the bees. But apparently when it comes to birds, they have an unusual take on his and hers – and the difference is genetic. Species with differentiated sex chromosomes (X and Y in humans, for example) get around the fact that males and females get different-sized portions of sex chromosome genes with a balancing act geneticists call dosage compensation.</p>