CBSE 2024 · Region 5 · Set 3 · Q12 · 1 mark
The human chromosome with the highest and least number of genes in them are respectively :
Official answer
From CBSE’s own marking scheme for this paper.
(C)
Chromosome $\displaystyle 1$ and Y.
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CBSE Class 12 Biology past-paper question from the 2024board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.