Are scientists creating a moral nightmare? The UK’s first baby with genes from three people has been born in a bid to fight diseases passed down by parents.
Britain’s first three-parent baby is born
Nuclear family? Over 99.8% of the baby's DNA will be from its mother and father. Glossary
Mitochondria - Small organs within nearly all types of human cell that generate much of the cell's energy. Often called the 'powerhouse of the cell'.