Sue Nelson presents the second in a series of discussions about the science behind the news.
How well do you know your family history?
As populations move around the world, more and more people are interested to find out where their families originate from.
Some people are lucky to find local records detailing ancestors movements, and have oral histories to feed their thoughts.
Others might have to rely on the developments in science that allow us to look at our genetic makeup to tell us where we come from.
Sue Nelson talks to three scientists who are interested in this line of work.
Listen to the programme
First broadcast 28th October 2008
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