Which of the following amino acid does not show degeneracy ?: (A) Serine, (B) Valine, (C) Alanine, (D) Methionine
Answer is D. Degeneracy or redundancy Propey of codon that each amino acid has more than one codon. Two amino acids do not show degeneracy i.e , Methionine Tryptophan. (They have only one codon.)