Multiple Choice
Which of the following is not a type of chromosome mutation?
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15. Gene Expression
Mutations
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Which of the following is a type of mutation that affects only a single base pair in DNA?
A
Chromosomal inversion
B
Gene duplication
C
Translocation
D
Point mutation
Verified step by step guidance1
Understand that mutations are changes in the DNA sequence that can affect genetic information.
Recognize that a point mutation is a type of mutation that involves a change in a single nucleotide base pair in the DNA sequence.
Differentiate point mutations from other types of mutations such as chromosomal inversions, gene duplications, and translocations, which involve larger segments of DNA.
Recall that point mutations can be further classified into substitutions, insertions, or deletions, each affecting only one or a few base pairs.
Conclude that among the given options, a point mutation is the only type that affects a single base pair in DNA.
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