Cotton Fiber (IMAGE) Colorado State University Caption Cotton is the among the crops Colorado State University and Iowa State University biologists will use to study plants' genome duplicating histories. Credit Joel Sharbrough/Colorado State University 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.