RNA Graphic (IMAGE) Johns Hopkins Medicine Caption Unexpected heterogeneity of ribosomal RNA genes in human populations revealed by genome studies suggests potential variation in protein translation by the ribosomes. Credit Wenjun Fan, Ph.D. Usage Restrictions For use on Eurekalert website only 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.