Multiple Choice
Which type of mutation most directly stops translation of an mRNA by introducing a premature stop codon in the coding sequence?
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17. Mutation, Repair, and Recombination
Types of Mutations
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Which of the following is a point mutation (not a frameshift mutation)?
A
Deletion of two nucleotides in the coding sequence, shifting the reading frame
B
Insertion of one nucleotide in the coding sequence, shifting the reading frame
C
Insertion of three nucleotides in the coding sequence, shifting the reading frame
D
A single-nucleotide substitution that changes one codon to another (missense mutation)
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