Multiple Choice
Which type of mutation always produces a stop codon in the coding sequence (thereby prematurely terminating translation)?
17. Mutation, Repair, and Recombination
Types of Mutations
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Which of the following DNA mutations is a frameshift mutation?
A
Substitution that creates a stop codon (nonsense mutation)
B
Insertion of a single nucleotide into a coding sequence (not in a multiple of three)
C
Deletion of three nucleotides, removing one amino acid but preserving the reading frame (in-frame deletion)
D
Substitution of one nucleotide for another that changes one amino acid (missense mutation)
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