Wayne Potts and Petr Tvrdik (IMAGE) University of Utah Caption This image shows University of Utah biology professor Wayne Potts and human genetics research associate Petr Tvrdik. Credit Lee J. Siegel, University of Utah Usage Restrictions None 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.