Scientist John Zhang has helped to had a baby to a orden cupple with a third party support. the mother had a deadly neuro disease genes called Leigh Syndrome. this disease spread through mothers genes and her first two boys has dead as this disease.
Scientist John Zhang has removes disease DNA from the mother’s egg and connected with a donor’s egg. After that the egg was fertilized with father’s sperm. This fertilized egg developed in mother’s womb as normal egg.
There was question is this procedure ethical or not? But Zhang said that “to save lives is the ethical thing to do.”
However as the child is a boy this family will be secured without this disease.