DNA (1 of 2) (IMAGE) Albert Einstein College of Medicine Caption In this photo chromosome strands are aligned in a wild type fly. Credit Reprinted from Lu et al. (2009) with permission from Cold Spring Harbor Laboratory Press © 2009 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.