Dna do you really need to test a sibling?

One of the major reasons people take a DNA test is to find a ‘missing’ ancestor. It may be that they have no knowledge of their family due to adoption or were brought up by a single parent with no inf

The first series of WDYTYA? aired in 2004, and I started working on the programme two years later. My first episodes were broadcast in 2007 and featured rower Matthew Pinsent and actor John Hurt, and

Jenny Lucas, 76, from Kent, is a retired professional golfer. She was 54 years old when she discovered that she had a twin sister, Helen. For many years, I considered myself an only child. With cousin

Lynn Berry, 49, was desperate to keep her promise to mum, Glennis

The cloning of animals – pets, farm animals, racehorses – is today done routinely on an industrial scale. Bianca Bosker investigates

What the scientists are saying… Babies with ...