Question

Which best summarizes the scientific process that led to our current understanding of DNA? O Each scientist made an important, but unrelated, contribution. O Scientists built on the previous work of other scientists to make new discoveries. O Most of the discoveries were made by chance and did not depend on prior knowledge. O The most important contributions were made within the same time period of the late 1800s.
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Answer 1

Answer:

Explanation:

Suddenly, in the spring of 1953, Watson saw that the essential DNA components—four organic bases—must be linked in definite pairs. This discovery was the key factor that enabled Watson and Crick to formulate a molecular model for DNA—a double helix, which can be likened to a spiraling staircase or a twisting ladder.