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When is a codon said to be unambiguous?

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in Biology – Class 12 by (271k points)
When is a codon said to be unambiguous?

(a) When it codes for 2 amino acids

(b) When it codes for 1 amino acids

(c) When it codes for 3 amino acids

(d) When it codes for 4 amino acids

This question was posed to me during an online interview.

The query is from Molecular Basis of Inheritance topic in chapter Molecular Basis of Inheritance of Biology – Class 12

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The correct choice is (b) When it codes for 1 amino acids

Explanation: One codon codes for only one amino acid. And so, the coding is said to be unambiguous and specific. In some cases, one amino acid is coded more than once by many codons. These are called are degenerates.

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