What's a girl to do when faced with the choice between a powerful action man who has great DNA but is likely to love her and leave her, and a carpet-and-slippers kind of bloke who will hang around and bring up the kids but may not be Mr Right in the genes department? Well, ideally, she should fool the latter into bringing up the former's children. And a piece of evidence that this is exactly what happens emerged this week from a research group led by Jan Havlicek of Charles University, in Prague.
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