Around three-quarters of a million people in the UK are adopted, but before the law changed in 1975, most adoptees never knew the identity of their birth parents. Margaret was adopted when she was just six months old.

Around a million of us in the UK grow up without any contact with our fathers. 75-year-old Bill has never met his dad. During World War II 240,000 African American GIs were stationed in the UK, many had relationships with local women, which resulted in the birth of two thousand mixed-race babies. Bill is one of them.

Hands up who likes brussel sprouts? How are you with broccoli? I ask because we know that our genetic make-up goes some way to explaining whether you’ll be fine eating some foods, such as broccoli and brussel sprouts, that others find too bitter to nibble on.

On an episode of 'Who Do You Think You Are?' the comedian, Josh Widdicombe, found out he was descended from King Edward I. Just how common is this being related to royalty. Is it some sort of celebrity thing or are we all related to royalty? Basically, the answer is yes. We’re all related to royalty, it’s simply a matter of degree. The stumbling block to proving it is finding the documentary evidence.

Around 1 in 50 people do not have the biological father they think they have. 53-year-old Richard discovered he wasn’t blood related to the man who raised him and came to DNA Family Secrets seeking answers.

Are the remains in the urn in Westminster Abbey really those of the Princes in the Tower? And how could scientific analysis help answer this question?

Professor Turi King discusses the implications of wide spread use of DNA matching services and being a sperm donor or a sperm donor child.

On the morning of Monday September 10th, 1984, Alec Jeffreys, an as yet little-known scientist was looking at a result of an experiment, he’d set running the week previous. He was trying to look at genetic variation between individuals as a way of looking at how diseases might run in families. But what he was about to discover, was a technique that would change the world.

Professor Turi King speaks with those involved in the discovery and its first use in a criminal investigation.

Professor Turi King discusses how 3 different parts of our DNA are inherited from our mothers and fathers.

Professor Turi King discusses the findings of the genetic and genealogical analysis in the King Richard III case. This includes the genealogical research, and the results of the mitochondrial and Y chromosome analysis. It also includes the genetically-predicted hair and eye colour of Richard III as well as the results of the Bayesian analysis, of all the evidence in the case, to come to a conclusion about the identity of Skeleton 1 found at the Greyfriars in Leicester.