Richard Dawkins and Dr Yan on genetic ancestry (extended) - Bang

http://www.bbc.co.uk/bang

Bang Goes the Theory's Liz Bonnin recently used mitochondrial DNA to trace her ancestry right back to the earliest humans. It's a subject co-presenter Dr Yan Wong knows plenty about, and a great excuse for him to meet up with his old tutor Prof Richard Dawkins. The pair collaborated on a book, The Ancestor's Tale, and here they chat about one of its main themes: how lineages of different genes can reveal surprisingly different histories.

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