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.
“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.”
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.
Read more : www.theatlantic.com
Photo By Tiia Monto (Own work) [CC-BY-SA-3.0], via Wikimedia Commons