Gene for glowing passed along to monkey offspring

Scientists gave marmosets a gene that made their feet glow green, and one of the animals passed it along to its offspring _ the first time that an added gene has been inherited by a monkey. It was a milestone, experts said, that should make it easier to produce animals with versions of human disease for medical research.

http://www.washingtonpost.com/wp-dyn/content/article/2009/05/27/AR2009052702351.html