Fin-To-Limb Evolution Model (IMAGE) Center for Genomic Regulation Caption Figure 3: This is a model of the fin-to-limb evolution. A gradual shift of the balance of anterior (green) and posterior (blue) field might have led to the evolution from fins into limbs. Credit Mikiko Tanaka, Tokyo Institute of Technology 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.