Chromosome (image) Rice University Share Print E-Mail Caption An animated GIF of a coarse-grained model shows DNA forming a helical chromosome during mitosis. Rice University scientists are using computer models to determine the forces that take place as DNA duplicates itself during cell mitosis. Credit Bin Zhang/Rice University Usage Restrictions None Share Print E-Mail 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.