Biology
Grade-8
Easy

Question

Mutations which do not cause any functional change in protein are known as

  1. Non-sense mutation
  2. Mis-sense mutation
  3. Backward mutations
  4. Silent mutation 

hintHint:

A mutation causing no change in the amino acid and hence, no effect on the function of the protein is called a silent mutation.

The correct answer is: Silent mutation


    • Mutations that cause the altered codon to produce an amino acid with similar functionality (e.g. a mutation producing leucine instead of isoleucine) are often classified as silent; if the properties of the amino acid are conserved, this mutation does not usually significantly affect protein function.
    • A mutation causing no change in the amino acid and hence, no effect on the function of the protein is called a silent mutation.

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