With four bases the number of possible triplet codons is

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Solution

The correct option is D 64
The four bases are U, C, A, and G.Any single set of three nucleotides which codes an amino acid is called a codon, and the set of all possible three-nucleotide combinations is called "the genetic code" or "triplet code." There are sixty-four different combinations or codons (4 × 4 × 4 = 64). These 64 codons code for 21 amino acids.
So, the correct answer is '64'.

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