Ques. In which of the following diseases, the man has an extra X-chromosome?
A. Turner’s syndrome
B. Klinefelter’s syndrome
C. Down’s syndrome
D. Haemophilia
Answer:B
Ques. In which of the following diseases, the man has an extra X-chromosome?
A. Turner’s syndrome B. Klinefelter’s syndrome C. Down’s syndrome D. Haemophilia