CBSE 2025 · Region 4 · Set 1 · Q10 · 1 mark
The correct depiction of the experiment performed by Matthew Meselson and Franklin Stahl to prove that DNA replicates semi-conservatively on separation of DNA by centrifugation after $\displaystyle 40$ minutes is :
Official answer
From CBSE’s own marking scheme for this paper.
(A)
Molecular Basis of InheritanceReplicationRemembermcqmedium
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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.