Disputes over when life begins may block cutting-edge reproductive technologies like mitochondrial replacement therapies
- Written by Walter G. Johnson, Research Fellow, Arizona State University
A computer illustration of a cross-section of a mitochondrion and its internal structure with DNA (gray), ribosomes (light green), granules (yellow) and ATP synthase particles (light blue).TUMEGGY/SCIENCE PHOTO LIBRARY/Getty ImagesThe nomination of Judge Amy Coney Barrett to the U.S. Supreme Court has once again pushed the debate over when life...

