2. The U.K. is the first country in the world allowing three-person babies.
6. They put the healthy DNA from the female donor into disease-carrying DNA in the mother's egg.
8. Lawmakers said that the technique of replacing unhealthy DNA with healthy DNA was "light at the end of a dark tunnel".
2. The U.K. is the first country in the world allowing three-person babies.
6. They put the healthy DNA from the female donor into disease-carrying DNA in the mother's egg.
8. Lawmakers said that the technique of replacing unhealthy DNA with healthy DNA was "light at the end of a dark tunnel".