Scelta multipla
Which of the following is an example of a frameshift mutation?
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17. Mutation, Repair, and Recombination
Types of Mutations
Scelta multipla
A mutation occurred that changed the sequence 5' AAGCTTGC 3' to 5' AAGCTTTGC 3'. What is the name for this type of mutation?
A
Substitution
B
Transitions
C
Transversion
D
Insertion
Guida verificata passo dopo passo1
Identify the original DNA sequence: 5' AAGCTTGC 3'.
Identify the mutated DNA sequence: 5' AAGCTTTGC 3'.
Compare the original and mutated sequences to determine what change has occurred. Notice that an extra 'T' nucleotide has been added in the mutated sequence.
Understand that the addition of one or more nucleotides into a DNA sequence is known as an 'Insertion' mutation.
Conclude that the mutation type is 'Insertion' because a nucleotide has been added to the original sequence.
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