Question

Karyotype of Klinefelter’s syndrome is:

• A. 45(X)
• B. 47(+21st)
• C. 47(XXY)
• D. 47(+13th)

Hint:

Klinefelter’s syndrome (XXY) affects males and leads to sterility, gynecomastia, and reduced testosterone levels.

Answer 1

The Correct Option is C

Step 1: Understanding Klinefelter’s Syndrome 
- Klinefelter’s syndrome is a genetic disorder in males caused by an extra X chromosome (XXY).
- Affected individuals have 47 chromosomes. 

Step 2: Conclusion 
Since Klinefelter’s syndrome is characterized by 47(XXY), the correct answer is Option (3).