Official websites use .gov A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
In this letter Yanofsky reported results of experiments with DNA that, after undergoing either a spontaneous mutation in its order of nucleotides or a mutation induced by ultraviolet light, no longer coded for the amino acid that it originally specified in the polypeptide, but rather for a different amino acid.
Original Repository:
The Wellcome Library for the History and Understanding of Medicine. Francis Harry Compton Crick Papers
Original Repository. Wellcome Library for the History and Understanding of Medicine. Francis Harry Compton Crick Papers. 11646. URL. http://archives.wellcome.ac.uk/