Respuesta :

Answer:

Crick and watson

Explanation:

Crick found the shape and structure of the dna strand

Answer: Rosalind Franklin

Explanation: Rosalind Franklin was the one that first discovered the shape of DNA. He discovered the shape in the year 1952. He found out by using a technique called  X-ray crystallography. This showed him the helical shape of the DNA molecules.

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