X Chromosome Silencing in Left and Right Retinas (image) Johns Hopkins Medicine Share Print E-Mail Caption Differences in X chromosome silencing can greatly affect the same organ on different sides of the body. Shown are the left and right retinas from a single mouse. Cells that silenced the maternal X chromosome are red; those that silenced the paternal X chromosome are green. Credit Nathans lab, courtesy of Neuron Usage Restrictions None 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.