Respuesta :
Answer:
Watson and Crick
Explanation:
It was first described by Watson and crick. In modern biology when we are talking about a formation that is made by 2 strands of dna molecules. They are paired and each of these strands are complementary.
James Watson and Francis crick came up with the theory in the year 1953 that DNA has this shape.
1st Question: C.) Watson and Crick
2nd Question: B.) 1830
3rd Question: B.) Linnaeus