3 ms·
Gene-edited cattle have a major screwup in their DNA
- jimmySixDOF 6y ago2017: “We know exactly where the gene should go, and we put it in its exact location,” Recombinetics executives told Bloomberg in 2017. “We have all the scientific data that proves that there are no off-target effects.” 2020: “As genome-editing technology evolves, so does our understanding of the unintended alterations it produces,” wrote the FDA scientists, led by Alexis Norris and Heather Lombardi, in a paper they released in July. They think gene-editing errors “are under reported” and a “blind spot” for scientists.