Monday, October 29, 2007

But do they have a wide stance?

At first glance, worms may not seem to have anything to do with human sexuality, but the invertebrates may shed some light on the origins of homosexuality. Researchers say that genetic experiments in nematode worms suggest homosexuality may be hard-wired into the brain. Activating a single gene in only in the brain of the worms did not affect their gender or appearance but made them attracted to worms of the same sex.

The findings appear in Current Biology.


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