Mouse (IMAGE) Rice University Caption Rice University researchers found mice are adept at evolving traits that make them resistant to a particular rodent poison not only through point mutation but also through horizontal gene transfer. Credit Stefan Endepols/Bayer CropScience AG 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.