Class 12 Biology Principles of Inheritance and Variation Chromosomal disorders

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$A$ disease caused by an autosomal primary non-disjunction is

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A
Klinefelter's syndrome
B
Turner's syndrome
C
Sickle cell anaemia
D
Down's syndrome

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Class 12 Questions

Class 12

Biology Questions

Chapter

Principles of Inheritance and Variation

Subtopic

Chromosomal disorders

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Who reported that Down's syndrome is due to an extra $21^{st}$ chromosome?

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Describe chromosomal disorders and provide examples.

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