Support WBURStudy: Glowing Monkeys Pass On Gene To BabiesPlayDownload AudioNell GreenfieldboyceMay 27, 2009 ShareShown here next to a photo of its glowing feet, the marmoset baby Wakaba has inherited a fluorescent gene that was added to one of its parents' DNA. When observed in ultraviolet light, the skin on the soles of its feet glow green. (Nature)