Refined ‘three-parent-baby’ procedure improves chances for healthy infant
Transferring cell nuclei hours after fertilization reduces risk of passing on faulty mitochondria
![egg](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2016/06/060816_ti_threeparent_free.jpg?fit=860%2C460&ssl=1)
REPLACEMENT REFINED Researchers have improved a technique that transfers pronuclei (round craters, center) from an egg with diseased mitochondria to a donor egg with healthy mitochondria.
L.A. Hyslop et al/Nature 2016