Tricolor fly (IMAGE) University of California - San Diego Caption A fly containing three transgenes in its genome, marked with red (eyes), blue (thorax) and green (abdomen) fluorescence. Credit Gerard Terradas, UC San Diego Usage Restrictions Must be used in conjunction with UC San Diego research on gene drives. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.