Comparison (IMAGE) City University of Hong Kong Caption Comparison of the precision with different types of SaCas9: the green arrows shows the target of gene editing, while the red arrows are the off-targets. The new SaCas9-HF has the highest accuracy. Credit Dr Zheng Zongli Usage Restrictions Image must only be used with appropriate caption and credit. 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.