http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
1 videocassette (20 min.) : sound, color ; 1/2 in. + guide.
Shows the structure and replicating processes of DNA and the effect of genetic mutation. Also demonstrates the Lederberg Experiment.
Granada Television International ; produced and directed by Jack Smith ; written by Michael Dearden and Jack Smith.
Cameraman, Michael Blakeley ; editor, John Thomas.