Manipulated Organism: Animals - Mouse New Studies Fail to End Controversy about How to Interpret Last Year’s Surprise Results in U.S. Human Embryo ResearchCRISPR-Cas9, Popular New GMO Tool, Can Cause Extensive Genomic Damage, British Researchers ReportNew CRISPR genetic engineering technology caused large number of unintended mutations, researchers in mouse study conclude Database Home Seth JordanAugust 30, 2020