Multiple choice

Who discovered that DNA is a double helix?

  1. Archibald Garrold

  2. Watson and Crick

  3. Frederick Griffith

  4. Avery and MacLeod

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

James Watson and Francis Crick, using data from Rosalind Franklin and Maurice Wilkins, determined the double helix structure of DNA in 1953.