Progression of meiosis (IMAGE) Stowers Institute for Medical Research Caption Progression of meiosis from initiation to eight hours (each row). Left and middle columns show antidote and poison protein distribution, respectively, as spores develop. Right column is the combined distribution of poison (cyan) and antidote (magenta) during spore development. Credit Stowers Institute for Medical Research 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.