Study: Science Can Make Mice Gay

By altering serotonin in their brains, researchers caused female mice to prefer to mount and sniff the genitals of other females.

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“Mutant females lacking serotonergic neurons” showed preferences for females over males. Zhang and company concluded that not having certain neurons that release serotonin “cause[d] a reversal of sexual preference, revealing a role for [serotonin] in regulating sexual preference.”

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Use of the word mutant could seem unfortunate, but it’s just a trade term used in every article about genetics ever, describing changes relative to a given starting point.

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Photo By Tiia Monto (Own work) [CC-BY-SA-3.0], via Wikimedia Commons

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