Ruth Safak's 20-year-old son, Deniz, is confined to a wheelchair, has regular seizures and suffers severe migraines. Ruth, 54, is his sole carer.
"I think the research into three-parent IVF to prevent mitochondrial disorders is fantastic and nothing should stand in its way.
"The only people who should have the right to criticise it are those who suffer from the disease.
"I didn't know until Deniz was eight that he was affected by it and I was a carrier. He can't do anything for himself, he needs round-the-clock care and suffers terribly. If I could have avoided this, what a marvellous life we would have had."
Independent News Service