Spares or repairs. Applications and implications of cloning

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Beginning with Dolly, this program explores the successes of cloning animals and specialized cells, the use of cultured neurons to combat degenerative diseases such as Parkinson's, and the future of tissue engineering, as well as the ethical dilemmas attending the science of genetics. Researchers from Roslin Institute, including Ian Wilmut; Robert Winston, professor of fertility studies at the University of London; and biologist/author Colin Tudge are featured. Footage of DNA extraction from an egg, stem cells growing into brain cells, and neuronal implantation offer a glimpse of the future of medicine.