The human genome has finally been decoded. Here’s why this discovery is a game changer

DNA helix and genetic mapping

The human genome has finally been decoded. Here's why this discovery is a game changer

CNN's Sara Sidner talks to molecular geneticist Wendy K. Chung on the impact the fully decoded genome will have on discovering cures and treatments for rare genetic diseases. For more from "Big Picture," subscribe to CNN+

03:34 - Source: CNN

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