No pollen, no seeds (IMAGE) North Carolina State University Caption Normal tobacco seeds (left) are dense and germinate; seeds from plants with the mitochondrial gene deletion (right) are mostly hollow and don’t germinate. Credit Photo courtesy of Ralph Dewey, NC State University. Usage Restrictions None. License Original 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.