Which of the following statements regarding the discovery of DNA structure is correct?
- In 1953, James Watson and Francis Crick proposed the double helical structure of DNA.
- The model explained how genetic information is replicated and passed on to the next generation.
- Watson and Crick proposed the model based solely on their experimental research.
1
1 and 2 only
2
2 and 3 only
3
1 and 3 only
4
1, 2, and 3