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NEET UG BIOLOGY MCQ: PRINCIPLE OF INHERITANCE AND VARIATION
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Assertion (A): Gynacomastia is observed in Turner's syndrome.
Reason (R): Such a disorder is caused due to the presence of extra copy of X-chromosome.
Reason (R): Such a disorder is caused due to the presence of extra copy of X-chromosome.
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Correct option: D
Both (A) and (R) are false
Option D (Both (A) and (R) are false) is correct because Gynaecomastia is observed in Klinefelter's syndrome, not Turner's syndrome, and is caused by an extra X chromosome in males (XXY).
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