Scientists Alter Sexual Orientation in Worms
University of Utah biologists genetically manipulated nematode worms so the animals were attracted to worms of the same sex--part of a study that shows sexual orientation is wired in the creatures' brains. "They look like girls, but act and think like boys," says Jamie White, first author of the new study. "The [same-sex attraction] behavior is part of the nervous system." More...
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