Question

Which scientist discovered that DNA is a double helix

by taking a x-ray of it?
A) Watson and Crick
B) Franklin
C) Darwin and Lamarck
D) Chargaff​

Answer 1

Rosalind Franklin (Franklin)

Answer 2

Francis Harry Compton Crick

Step-by-step explanation:

he was a British molecular biologist, biophysicist, and neuroscientist. In 1953, he co-authored with James Watson the academic paper proposing the double helix structure of the DNA molecule.