Turtle Gonads (image) Duke University Share Print E-Mail Caption Viewed under the microscope, this image shows the immature sex organs of a developing turtle. Cells that will eventually give rise to either eggs or sperm are stained red. The center panel shows that silencing a key gene called Kdm6b transforms a turtle gonad that otherwise would have become a future testis (left) into a future ovary instead (right). Credit Images by Ge et al. 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.