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Biology Question on the molecular basis of inheritance

A codon consists of 3 bases and there are 4 different kinds of bases in a nucleic acid altogether. How many codons will be there?

A

64

B

22

C

86

D

60

Answer

64

Explanation

Solution

  • A codon denotes a series of nucleotides found on messenger RNA (mRNA), serving to represent a particular amino acid or signaling the initiation or termination of a process.
    • Comprising a triplet combination of the nitrogenous bases adenine (A), guanine (G), cytosine (C), or uracil (U), codons include sequences such as GUU, GCC, UCA, and CUA.
    • Among the 64 codons present, 61 encode the 20 amino acids essential for protein synthesis, while the remaining three function as stop signals.

A codon consists of 3 bases and there are 4 different kinds of bases in a nucleic acid altogether

So, the correct option is (A): 64