# 1
pilihan
What is Klinefelter syndrome ?
- A genetic disorder that results in an extra Y chromosome, leading to XYY syndrome.
- A condition characterized by the absence of one X chromosome in females, known as Turner syndrome.
- A chromosomal disorder in males caused by the presence of an extra X chromosome (XXY)
- A disease caused by a mutation in the hemoglobin gene, resulting in sickle-shaped red blood cells.