3D Forest (IMAGE) Northwestern University Caption A 3D forest of chromatin predicted by the researchers' model. Tree domains are colored from red to green according to their sizes. Each particle represents 2 kilobases of DNA. Credit Northwestern University Usage Restrictions Credit must be given 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.