Gene history (IMAGE) University of Helsinki Caption A central insight was to model the gene history using information from related species. The modelling demonstrated that the palindromes of microRNA genes are generated by single mutation events. Credit Ari Löytynoja Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. No derivatives or adaptations of the work are permitted. License CC BY-NC-ND 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.