ROUTES: Week 5: FAT

Katherine investigates whether there really is such a thing as a 'fat gene', and how genetics can help her work out if she's built for comfort or for speed. Find out why people have different muscle-types and learn all about 'Chubby Chasers'... Routes is a game and a drama from Channel 4 Television in association with the Wellcome Trust that takes players into a world of genetics, evolution and the human genome. Katherine Ryan goes on an eight-week quest to find out what's hidden in her genes. Is there such a thing as a fat gene? How much do genes affect personality? And how will the results of Katherine's tests impact her day-to-day life? A funny, thought-provoking look at the world of genetic testing, with associated video games on the site.
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