DNA (Genetic) Fingerprinting

Professor Sir Alec Jeffreys discusses the process of genetic (DNA) fingerprinting including the forensic use of genetic fingerprinting, and how your DNA can now be used to determine what colour you are and what you look like.

Also binge-drinking and why it's bad for you, why people who fidget are thinner, telephone calls peak around the full moon..., genetically-modified chickens that lay eggs containing drugs and why stress is bad for your heart.