The Genetic Code is Made Up of Codons Consisting of How

Question

The genetic code is made up of codons consisting of how many nucleotides?  
A) Two
B) Three
C) Five
D) Six
E) Nine

Accepted Answer

A codon consists of three nucleotides, which are read during protein synthesis to indicate the specific amino acid that is to be added to the growing polypeptide chain. Therefore, choice B is the correct answer.