Fruit Fly Wings (IMAGE) Michigan State University Caption By focusing on fruit fly wings and a genetic mutation that alters them, MSU researchers demonstrated the influence of wild type genetic background was actually quite common. Credit Courtesy of MSU Usage Restrictions None 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.