Wild-type Mice (IMAGE) University of Utah Caption These are two of the mice used in a sensitive new toxicity test developed at the University of Utah. A new study shows the test can detect cryptic genetic defects. Credit Wayne Potts, 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.