Question

who is credited with creating the first accurate model of dna?
rosalind franklin
friedrich miescher
james watson and francis crick
marshall nirenberg and heinrich matthaei

Explanation:

• Rosalind Franklin: Her X - ray crystallography work was crucial but she did not create the model.
• Friedrich Miescher: Discovered nucleic acids but not the DNA model.
• James Watson and Francis Crick: In 1953, they built the first accurate double - helix model of DNA using data from others like Franklin.
• Marshall Nirenberg and Heinrich Matthaei: Did work on genetic code (translation) not the DNA model.

Answer:

James Watson and Francis Crick