Roberts Richard John

Also found in: Dictionary.
Related to Roberts Richard John: Phillip A. Sharp


, Richard John Born 1943.
British-born American biochemist. He shared a 1993 Nobel Prize for discovering that some genes contain sequences, known as introns, that do not function as codes for the formation of a protein.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.