CBSE 2024 · Region 2 · Set 1 · Q8 · 1 mark
A woman with normal vision has a colour blind father. She marries a man with normal vision. The percentage chance of their progeny being colour blind is :
Official answer
From CBSE’s own marking scheme for this paper.
(A)
$\displaystyle 25$%
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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.