White Women's risk of Alzheimer's (IMAGE) University of Southern California Caption This is chromosome 19 with the region of the ApoE gene highlighted. Credit USC Stevens Neuroimaging and Informatics Institute Usage Restrictions Use credit information. 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.