The Structure of the Inactive X Chromosome (image) American Institute of Physics Share Print E-Mail Caption This image shows the first ever high-resolution structure of an inactive X chromosome (far right) its native state by combining a new pair of emerging imaging technologies. Credit E.A.Smith/UCSF Usage Restrictions This image may be used only with appropriate caption and credit. 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.