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For which codon(s) of isoleucine could a single base change account for an amino acid change to methionine?A. AUC B. AUU C. AUA D. AUG E.none of these codons

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olatunbosunadeoke

Answer: option A and B (AUC & AUU)

Explanation:

Codons of isoleucine are AUC and AUU, while codons of methionine are AUA and AUG.

Therefore, a single base change in cytosine of "AUC" could yeild any of methionine codons, also a single base change in AUU will do the same.

This single base change is refers to as point mutation, and it is generally reversible.

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