History of the Discovery of DNA

Admit Slip: It is the year ________ (Write the year you think DNA was discovered). How do you think scientists discovered what DNA does?

Objective: Students will use a graphic organizer to take notes on a serries of mini-video clips from www.unitedstreaming.com which explain the contributions of the following scientists:

Friedrich Meisher: 1870

P.A. Levene: 1920’s

Fredrick Griffith: 1928

Avery, MacLeod and McCarty: 1944

Hershey & Chase: 1952

Franklin & Wilkins 1950’s

Watson & Crick 1953

Homework: Use the DNA replication animation (available by clicking here) to complete the notes organizer. If for whatever reason you don't have a Flash player on your computer, you can use your textbook to find the information.