Question

describe triplet codon

Answer 1

Codons are, simply put, three nucleotides which determine one aminoacid in a protein. George Gamow, a mathematician, said that codons must be triplet based on a very intuitive permutations problem.
We know that there are 20 naturally-occurring aminoacids. Somehow, we need to code for all 20 using only 4 nucleotides: A, U, G and C.
If our code was duplet, we would have 4^2 = 16 possible codons. This is clearly not enough.
If our code was triplet, we would have 4^3 = 64 possible codons, which is more than enough. So our codon must be triplet.
Moreover, since we have more codons than aminoacids, one aminoacid can be coded for by more than one codon.
Biologists painstakingly experimented until they had figured out the complete code. 

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Answer 2

Answer:

The code for each amino acids consist of three nucleotides is called triplet codon.

Explanation:

DR Har Govind Khorane discovered the 20 triplet codon.