H. sapho H. cydno chioneus Co-Mimics (IMAGE) Smithsonian Tropical Research Institute Caption These two unrelated species of butterflies look very similar. But when the WntA gene is knocked out, the result is different for each, indicating that they are not taking the same evolutionary path to arrive at the same pattern. Heliconius sapho, (top) Heliconius cydno.chioneus (bottom) showing wings from individuals with (left) and without (right) the WntA gene. Credit Photos by Sebastian Mena, figure design by Carolina Concha. 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.