alleryHow many nucleotides make up the triplet codon that codes for a single amino acid?
AThree
BTwo
CFour
DFive
Answer & Solution
Correct answer: A. Three
1. The coded message on mRNA specifies amino acids.
2. The code for each amino acid is a triplet codon.
3. A triplet codon consists of three nucleotides.
4. Hence the answer is three.
_Source: Balbharati (Maharashtra Board) Class 10 Science & Technology Part 2, Ch 1 "Heredity and Evolution", p.11_
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