Red Corn (IMAGE) Penn State Caption The mystery involved a spontaneous gene mutation that causes red pigments to show up in various corn plant tissues for a few generations and then disappear in subsequent progeny. Credit Surinder Chopra Research Group/Penn State Usage Restrictions Non commercial use only 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.