Molecular Basis Of Inheritance Question 61

Question: Genetic code consists of [AFMC 1993; CBSE PMT 1988]

Options:

A) 4 codons, each with two nucleotides

B) 16 codons, each with four nucleotides

C) 64 codons, each with two nucleotides

D) 64 codons, each with three nucleotides

Show Answer

Answer:

Correct Answer: D

Solution:

A single amino acid is specified by a sequence of three nucleotides in mRNA i.e., called codon.

Due to triplet nature, it consist 64 codon.