Dr. Alan H. Bittles, Murdoch University (IMAGE) National Evolutionary Synthesis Center (NESCent) Caption Medical geneticist Alan H. Bittles is the author of a new book that examines common misconceptions about cousin marriage. Credit Courtesy of Alan Bittles 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.