1. Welcome! Please take out your article and summary.

2. Discovery of DNA
1. What first prompted Watson’s desire to solve the structure of DNA?
2. Why were Watson and Crick considered both an unlikely pair and a perfect team to solve the structure of DNA?
3. Who were the other researchers “racing” to find the structure of DNA? What were their contributions?
4. How did Rosalind Franklin’s data help Watson and Crick with their research?
5. When did Watson and Crick receive the Nobel Prize and why were there only 3 recipients?
6. What are Chargaff’s Rules and how did they support the double-helix model of DNA?