If a restriction site is 6 nucleotides long, what are the chances of finding it in a vector?

A. Once every 46 base pairs

B. Once every 64 base pairs

C. Once every 24 base pairs

D. Once every 16 base pairs

Explanation: If a restriction site is 6 nucleotides long, the chances of having it in a vector are once in every 46 base pairs. It is so because there are 4 nucleotides that form the DNA and at six positions, they can form 46 combinations.

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