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Published online 5 August 2007 | Nature | doi:10.1038/news070730-13
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Nose goes, gender bends
Knocking out pheromone sensor makes female mice act male.
Flipping one genetic switch in the brains of female mice makes them behave like sex-crazed males. The finding implies that females' brains have the same circuit that governs sexual behaviour in male mice — and that it's simple to convert one to the other.
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