Dodder across Field (IMAGE) Penn State Caption New research reveals that dodder has stolen over 100 functional genes from its hosts through a process called horizontal gene transfer. These genes contribute to dodder's ability to latch onto and steal nutrients from the host and even to send genetic weapons back into the host. Credit Claude dePamphilis, Penn State Usage Restrictions Credit must be provided alongside image. 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.