CBSE 2025 · Region 5 · Set 3 · Q4 · 1 mark
Study the pedigree chart of a family showing the inheritance of myotonic dystrophy :
The trait under study is :
Official answer
From CBSE’s own marking scheme for this paper.
(C)
autosomal dominant trait
Principles of Inheritance and VariationMendel’s Laws of InheritanceAnalysemcqmedium
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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.