3D Image (IMAGE) University of Maryland Caption Researchers from UMD found that the same gene for expressing a red fluorescent protein is always expressed (ON), when it is inherited from the mother, but when inherited from the father can lose expression (turn OFF) forever if the mother lacks the gene. Credit Antony Jose/UMD 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.