Life-History Traits May Affect DNA Mutation Rates in Males More Than in Females (image) Penn State Share Print E-Mail Caption A composite image of 4 of the 32 mammal species whose life-history traits and DNA mutation rates are studied in the Penn State University laboratory of Kateryna Makova. From the top left corner, moving clockwise: a wild dog, a hyrax, a bat, and an elephant. Individual images are online at http://www.science.psu.edu/news-and-events/2011-news/Makova6-2011. Credit Anton Nekrutenko, Makova lab, Penn State University Usage Restrictions The credit must be published along with the image. 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.