Different Potato Varieties (IMAGE) Heinrich-Heine University Duesseldorf Caption The genetic difference between different potato varieties can be greater than between humans and chimpanzees. This is also reflected in the high variability in the appearance of different varieties. Credit HHU / V. Prigge Usage Restrictions Image may only be used in context with this press release 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.