Ripan Malhi (image) University of Illinois at Urbana-Champaign Caption Principal investigator Ripan Malhi, a molecular anthropologist in the department of anthropology at Illinois, led a study of the Y chromosome in North American native groups. Credit Photo by L. Brian Stauffer, U. of I. News Bureau. Usage Restrictions Photo may be used only with stories about the research described in the news release. Please credit: Photo by L. Brian Stauffer, U. of I. News Bureau. 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.