Search for the Genetic Material

• Transformation by Frederick Griffith 1927
• Transforming Principle by

  1931 Henry Dawson - Repeats Griffith's Experiments and develops assay that does not require mice.
  1933 Lional Allway - Demonstrated that a soluble extract of IIS cells would transform IIR cells.
  1944 Avery, MacLeod and McCarty - Identified Griffith's Transforming Principle. CD
  Eliminate Polysaccharides -->Transformation Occurs
  Eliminate Lipids -->Transformation Occurs
  Eliminater RNA -->Transformation Occurs
  Eliminate Protein -->Transformation Occurs
  Eliminate DNA -->Transformation Does Not Occurs: Therefore DNA is the Transforming Principle Summary.
  

• The Phage Homogenization Experiments CD

• The Virus Reconstitution ExperimentsCD

• What is the Genetic Material?

Text iGenetics by Peter J. Russell

This web site is provided for instruction in Botany and Zoology 342

by Kenneth G. Wilson,
Professor of Botany
Miami University
wilsonkg@muohio.edu