Mutant Ear Provides Key Clue (IMAGE) Cold Spring Harbor Laboratory Caption Pathways that control plant stem cells can be modified to make plants generate bigger fruits or more seeds. The tip of this ear of corn is growing abnormally, but provided scientists with information about how to tweak expression of a key gene to boost yield. Credit Jackson Lab, CSHL 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.