Böcker av Bryan Sykes

Genetically speaking, the big difference between men and women is that where women have two X chromosomes, men have one X and one Y.

Bryan Sykes, the world's first genetic archaeologist, takes us on a journey around the family tree of Britain and Ireland, to reveal how our tribal history still colours the country today. In 54BC Julius Caesar launched the first Roman invasion of Britain.

But what made the story particularly extraordinary was that Professor Sykes was also able to track down a living generic relative of the Ice Man, a woman living in Britain today. How was he able to locate a living relative of a man who died thousands of years ago?

The inside story of the Y chromosome's fatal flaw, as told by one of the world's leading geneticists.