Mutation and gene expression

NCERT Biology Class 12, Chapter 5

Mutation and gene expression NEET Biology MCQ

Last updated: July 30, 2026

Reviewed by MedQGo Editorial Team | Last updated: July 30, 2026

Mutation caused by the expansion of trinucleotide tandem repeats is known as

Aframe shift mutation

Bdynamic mutation

Cfragment deletion mutation

Dtransition

Correct answer: B. dynamic mutation

Dynamic mutations are characterized by the expansion or contraction of trinucleotide repeat sequences, leading to various genetic disorders.

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More Mutation and gene expression MCQs

Due to a mutation that changes a coding codon into a termination codon, such a mutation is known as Which of the following is not a term used to describe mutations in structural genes?Huntington gene's first exon shows (CAG)n repeats, with less than 35 repeats considered normal and more than 35 leading to Huntington disease. This mechanism of disease caused by the change in (CAG)n repeat number is known as Which mechanism generally causes only a change in gene expression levels?Which of the following can cause a frameshift mutation?