Group+C

Members: Halmagyi Melinda, Deak Noemi, Florea Ioana, Gaspar Annamaria, Muresan Lidia


 * 1920’s -Frederick Griffith**, an English physician, accidentally discovered a transforming factor while doing experiments with bacteria. When this factor was taken from one bacteria and put into another, it caused changes in the second bacteria

[|Frederick Griffith] [|Frederick Griffith]
 * Frederick Griffith:**


 * 1934 -**Griffith’s colleague, **Oswald Avery**, conducted a 10-year study to identify the transforming factor. His experiments found that neither proteins nor RNA carry genetic information. He then wondered if DNA was the “transforming agent.” To answer this question, he conducted an experiment. In it, he destroyed the DNA in the first bacteria. When the DNA was destroyed, no hereditary information was transmitted to the second bacteria. Avery then concluded that DNA causes changes in the second bacteria by transmitting traits from the first bacteria.

[|Oswald Avery] [|Oswald Avery]
 * Oswald Avery:**

Timeline made by group members: [|DNA Research Timeline]

Timeline found on the Timelines site: __ [|DNA Timeline Activity] __