DNA Molecule Unwinding from a Chromosome (IMAGE) U.S. National Science Foundation Caption This drawing depicts a DNA molecule unwinding from a chromosome inside the nucleus of a cell. Credit The Cancer Genome Atlas 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.