Genetic Mingling Mixes Human, Animal Cells

Genetic Mingling Mixes Human, Animal Cells

Something about this concerns me. I'm all for research but mistakes in "Gene mixing" can have some pretty bad outcomes.

"Stanford law professor Hank Greely, who chaired the ethics committee, said the board was satisfied that the size and shape of the mouse brain would prevent the human cells from creating any traits of humanity. Just in case, Greely said, the committee recommended closely monitoring the mice's behavior and immediately killing any that display human-like behavior."

http://abcnews.go.com/Technology/wireStory?id=715561