Molecular Basis Of Inheritance Question 139

Question: Which one of the following group of codons is called as degenerate codons?

Options:

A) UAA, UAG and UGA

B) GUA, GUG, GCA, GCG and GAA

C) UUC, UUG, CCU, CAA and CUG

D) UUA, UUG, CUU, CUC, CUA and CUG

Show Answer

Answer:

Correct Answer: A

Solution:

[a] Degenerate codons (also called as non - sense codons or terminator codons) do not code for any amino acids.

Three types of degenerate codons are UAG (amber), UAA (ochre) and UGA (opal).