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Nature 429, 517-518 (3 June 2004) | doi:10.1038/429517a

Behavioural genetics:  All in the family

Allen J. Moore1

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Mothers and offspring may have different ideas about how much maternal care should be provided. How is the behaviour of both parties genetically influenced, and how is this evolutionary conflict resolved?

Family conflicts are of professional interest not only to agony aunts but to evolutionary biologists as well. A case to exercise the latter has just appeared in Proceedings of the Royal Society1, where James Curley and colleagues describe their manipulations of a mouse gene, Peg3.

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