Cancer (image) Arizona State University Share Print E-Mail Caption A new study examines the relative ages of human genes, including those implicated in cancer. The findings suggest that a propensity for rapid mutation -- one of the hallmarks of cancer -- may be ancient and deep-rooted. Credit Jason Drees for the Biodesign Institute Usage Restrictions None 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.