Q8) How many sense codons code for 20 known essential amino acids ? A) 61 B) 62 C) 63 D) 64
Q8) How many sense codons code for 20 known essential amino acids ? A) 61 B) 62 C) 63 D) 64

Correct option:  A

Explanation: 61 sense codons code for 20 known essential amino acids. This whole procedure is known as degeneracy of the genetic code.