JAMB Biology 2025 Objective — Question 27
Question 27 of 40 from the Joint Admissions and Matriculation Board (JAMB) Biology 2025 Objective paper, with the correct answer and a full explanation.
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A mutation that changes one nucleotide base in a DNA sequence is called a
- A. Frameshift mutation
- B. Point mutationCorrect
- C. Deletion mutation
- D. Chromosomal mutation
Explanation
A point mutation occurs when a single nucleotide base in the DNA sequence is replaced, deleted or inserted. This can result in changes to the protein encoded by the gene.
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