In this episode, we’re hunting for the ghosts in our genomes, recreating the story of the discovery of the double helix in Lego, and science writer and broadcaster Adam Rutherford tells us how to argue with a racist.

Full show notes, transcript and references online at GeneticsUnzipped.com

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Genetics Unzipped is written and presented by Kat Arney, and produced by First Create the Media for the Genetics Society - one of the oldest learned societies in the world dedicated to supporting and promoting the research, teaching and application of genetics. Production by Hannah Varrall.