HIV SIV Tree.
Image showing Watson and Crick, chimp, macaques, HIV virus particles.
Herman Muller induces fruit fly mutations. Seymour Benzer works with virus mutants ans proved only one nucleotide change can cause mutation.
Mike Wigler shows how all organisms share similar genes, called homologs.
Renowned biologist and philosopher Robert Pollack reflects on his concern over the potential danger of Janet Mertz's experiment inserting a cancer-causing gene from a monkey virus into a bacterium that lives in humans.
David Baltimore and Howard Temin explain work on the Rous sarcoma virus.
Matt Ridley talks about chromosome 20, gene for adenosine deaminase.
Explore the reverse transcriptase mechanism.
Mature virus particles released from host cell.
David Baltimore, Howard Temin and Renato Dulbecco shared the 1975 Nobel Prize in Physiology or Medicine for the discoveries concerning the interaction between tumor viruses and the genetic material of the cell.