Question

Which of the following disease, has a XXY chromosome constitution?

• A. Down's syndrome
• B. Turner's syndrome
• C. Klinefelter's syndrome
• D. Patau's syndrome

Answer 1

Answer: (C)

Klinefelter's syndrome

Klinefelter syndrome (or XXY syndrome) is a chromosome disorder that affects males. The affected male has an additional X chromosome, which causes infertility and may cause the development of characteristics such as tall stature and breast development.