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NEET UG BIOLOGY MCQ: PRINCIPLE OF INHERITANCE AND VARIATION
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Assertion (A): An X-linked recessive trait shows transmission from carrier male to female progeny.
Reason (R): X-linked recessive trait shows non-crisscross inheritance.
Reason (R): X-linked recessive trait shows non-crisscross inheritance.
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Correct option: D
Both (A) and (R) are false
Option A (Sex-linked dominant) is correct because all daughters inherit the affected X chromosome from their father and express the disease, while sons inherit the Y chromosome and are unaffected.
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