Papilio polytes Wing Patterns (image) University of Chicago Medical Center Caption Some female Papilio polytes butterfly display colors and patterns that mimic the wings of a toxic butterfly species (center column). Non-mimetic members of the same species flank the mimetic members (side columns). A single gene, doublesex, controls these patterns. Credit University of Chicago, Marcus Kronforst Usage Restrictions None 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.