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Adam Rutherford

11/02/2013 GMT

Sexual Nature 2/3

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How did sex begin and why do some many species keep doing it?

Adam Rutherford explores the mysteries and theories surrounding the origins of sex 1.5 billion years ago.  What is sex’s big advantage over asexual reproduction?

Sex is one of Nature’s great forces of change.  Yet it is one of life’s great mysteries.  Adam Rutherford investigates how and why living things first invented sex about 1.5 billion years ago.  He begins by exploring why so many animals and plants have carried on doing it, given that sex has some big disadvantages compared to asexual reproduction.

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