Question

A man is sterile due to improper development of testis which has an additional X-chromosome. He is suffering from.

• A. Turner's syndrome
• B. Huntington's disease
• C. Klinefelter's syndrome
• D. Marfan's syndrome

Answer 1

The correct option is C Klinefelter's syndrome

Klinefelter syndrome is a sex chromosome disorder in boys and men that results from the presence of an extra X chromosome in cells (XXY). Males born with Klinefelter's syndrome may have low testosterone and reduced muscle mass, facial hair and body hair. Most males with this condition produce little or no sperm.

So, the correct answer is 'Klinefelter syndrome'.