Chromatin Organization (image) Agency for Science, Technology and Research (A*STAR), Singapore Share Print E-Mail Caption The normal cells on the top panel show that the hetero chromatin, represented by the white dots, is localized to the edges of the nuclei. However, in the absence of the Lbr receptor in the bottom panel, the chromatin has collapsed in the nuclear center. Credit Institute of Medical Biology, A*STAR Usage Restrictions Credit image to Institute of Medical Biology, A*STAR 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.