The Right Tools (image) University of California - Davis Caption There are many "tools" that cells could use to separate DNA strands that cross over during meiosis. UC Davis researchers have identified the right tools for the job. Credit Neil Hunter, UC Davis Usage Restrictions May be used with acknowledgement of the source. 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.