Scientists figure out why elephants don't get cancer: They have 20 copies of the p53 tumor suppressor gene. Almost all other species, including humans, only have 1. - discu.eu

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Scientists figure out why elephants don't get cancer: They have 20 copies of the p53 tumor suppressor gene. Almost all other species, including humans, only have 1. http://biorxiv.org/content/early/2015/10/06/028522 27 comments 7/10/2015 science