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6. An example of a nonsense mutation in the GAG codon that encodes the amino acid glutamine is A) TAG B) TAA CO GGG D) GAA. E) AAG
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Answer:

A). TAG

Three nonsense codons are UAA, UAG and UGA

The codon, GAG, which specifies glutamic acid, suffers a point mutation, which changes the first G to a U (T in DNA), producing the stop codon UAG. This is called a "nonsense mutation".

TAG in DNA

UAG in RNA (nonsense codons)

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