Jodi Hilton for NPR
Sam and John Fetters, 19, are an identical twins in very totally different locations on the autism spectrum. Sam is a sophomore at Amherst College and runs marathons in his free time. John attends a faculty for folks with particular wants and loves to observe Sesame Street in his free time.
Identical twins like Sam and John pose an essential query for scientists: How can a dysfunction that’s identified to be extremely genetic look so totally different in siblings who share the identical genome?
Check out extra of NPR’s sequence on the Science of Siblings.
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Today’s episode was produced by Rachel Carlson. It was edited by Rebecca Ramirez. Jon Hamilton checked the info. Phil Elfors and Gilly Moon have been the audio engineers.