Multiple choice

Which of these is not a type of mutation resulting in only single nucleotide base changes in a gene's DNA sequence?

  1. Frameshift mutation

  2. Silent mutation

  3. Point mutation

  4. Missense mutation

  5. Nonsense mutation

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A Correct answer
Explanation

Insertion and deletion mutations add or remove one or more DNA bases. Insertion and deletion mutations cause frameshift mutations which change the grouping of nucleotide bases into codons. This results in a shift of reading frame during protein translation.