SAT Subject Biology Practice Question 100: Answer and Explanation

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Question: 100

10. A genetic mutation results in a DNA sequence that continues to synthesize the same protein, at the same rate as a nonmutated sequence. This mutation would be BEST classified as a

A. deletion
B. insertion
C. missense mutation
D. nonsense mutation
E. silent mutation

Correct Answer: E

Explanation:

A silent mutation is not phenotypically visible because the protein product remains unchanged.

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