Multiple Choice
Which type of mutation most directly causes translation of an mRNA to stop prematurely by creating a stop codon within the coding sequence?
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17. Mutation, Repair, and Recombination
Types of Mutations
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Which of the following DNA mutations would most likely result in a frameshift mutation in a protein-coding region?
A
Substitution of one nucleotide for another within a codon
B
Insertion of one nucleotide into the coding sequence
C
Deletion of three nucleotides from the coding sequence
D
A point mutation that changes a codon to a stop codon (nonsense mutation)
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