This story caught my eye as I was preparing to teach earlier today. The science behind three-person babies is exciting and interesting, and holds the promise of banishing mitochondrial disease to the medical history books. The science, which I don’t properly understand as I spent GCSE science tippexing natty doodles on my biology folder, involves removing mitochondria from an egg and replacing it with that from another donor before it is fertilised. Any babies born from this technique effectively have genetic material from three people.

You can understand why the Church of England (CofE) and the Catholic Church in England (CCE) are in a tiz about it. Continue reading →