Painted Turtle Egg (IMAGE) University of Missouri-Columbia Caption Scientists found that BPA can alter a turtle's reproductive system and disrupts sexual differentiation while it develops in the egg. Researchers are concerned findings could indicate harmful effects on the environment and to human health. Credit Roger Meissen, Bond Life Sciences Center 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.