<i>Drosophila</i> in Jars in a Laboratory (IMAGE) Wellcome Trust Caption Rows of jars containing Drosophila, also known as fruitflies, being bred in laboratory conditions. As Drosophila can be bred easily in mass and have a short lifespan, scientists frequently use them in research, particularly in the study of genes. Credit Wellcome Library, London Usage Restrictions This image may be reproduced free of charge in relation to the above Wellcome Trust-related story. For hi-res images, please contact the Wellcome Trust Media Office. 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.