How is the child affected if it has grown from the zygote formed by an XX-egg fertilized by Y-carrying sperm? What do you call this abnormality?
If a child has grown from the zygote formed by XX-egg fertilized by Y-sperm, the child will suffer from Klinefelter syndrome and he will have XXY genotype. The Klinefelter syndrome is characterized by the child’s development of prominent feminine characters such as tall stature with feminised physique, breast development, pubic hair pattern, poor beard growth, & sterility.