Multiple choice

Rakesh is suffering from a genetic disorder named sickle-cell anaemia in which RBCs are shaped like a sickle. Which of the following mutations is a cause of sickle-cell anaemia?

  1. Insertion mutation

  2. Missense mutation

  3. Silent mutation

  4. Nonsense mutation

  5. Point mutation

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

In missense mutation, the new nucleotide alters the codon so as to produce an altered amino acid in the polypeptide chain.