For Fruit Flies, Gene Shift Tilts Sex Orientation - New York Times

For Fruit Flies, Gene Shift Tilts Sex Orientation - New York Times: "When the genetically altered fruit fly was released into the observation chamber, it did what these breeders par excellence tend to do. It pursued a waiting virgin female. It gently tapped the girl with its leg, played her a song (using wings as instruments) and, only then, dared to lick her - all part of standard fruit fly seduction. Skip to next paragraph Oliver Meckes/Nicole Ottawa/ Photo Researchers, Inc. One gene, apparently by itself, creates patterns of sexual behavior in fruit flies. The observing scientist looked with disbelief at the show, for the suitor in this case was not a male, but a female that researchers had artificially endowed with a single male-type gene."