CBSE 2025 · Region 5 · Set 1 · Q10 · 1 mark
What would happen if a gene encoding a polypeptide of $\displaystyle 50$ amino acids, $\displaystyle 25^{\text {th }}$ Codon (UAU) is mutated to "UAA" ?
Official answer
From CBSE’s own marking scheme for this paper.
(C)
A polypeptide of $\displaystyle 24$ amino acids will be formed.
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CBSE Class 12 Biology past-paper question from the 2025board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.