A cell nucleus filled with chromosomes (IMAGE) New York University Caption The cell nucleus is filled with chromosomes, which are illustrated by different colors in this depiction. Its chromosome arrangements are affected by active forces on the genome and their hydrodynamic interactions. Credit Image by Achal Mahajan, UC San Diego Usage Restrictions Use in conjunction with this study only. License Original 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.