Multiple Choice
Which of the following is an example of a point mutation and not a frameshift mutation?
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15. Gene Expression
Mutations
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What type of change to genetic material is characterized by a single nucleotide alteration?
A
Point mutation
B
Gene duplication
C
Chromosomal inversion
D
Translocation
Verified step by step guidance1
Understand that genetic mutations can occur at different levels, including single nucleotide changes, gene duplications, or larger chromosomal alterations.
Recognize that a point mutation is a type of genetic mutation where a single nucleotide base is changed, inserted, or deleted from a sequence of DNA.
Differentiate point mutations from other types of mutations: Gene duplication involves the copying of a segment of DNA, chromosomal inversion involves the reversal of a segment within a chromosome, and translocation involves the rearrangement of parts between nonhomologous chromosomes.
Identify that the key characteristic of a point mutation is the alteration of a single nucleotide, which can lead to changes in the protein sequence if it occurs within a coding region.
Conclude that the type of change to genetic material characterized by a single nucleotide alteration is a point mutation.
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