Scientists uncover key mechanism in evolution: Whole-genome duplication drives long-term adaptation (IMAGE) Georgia Institute of Technology Caption "Snowflake" yeast from the MuLTEE experiment. Credit Georgia Institute of Technology Usage Restrictions n/a License Original 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.