Marcus Kronforst on Butterfly Genetics (VIDEO) University of Chicago Medical Center This video is under embargo. Please login to access this video. Caption UChicago biologist Marcus Kronforst discusses his research on genes that control wing color mimicry in butterflies. Credit Matt Wood, UChicago 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.