A common genetic condition in which a male is born with an extra X chromosome is known as Klinefelter syndrome.
A male usually has one X chromosome and one Y chromosome but for a male having Klinefelter's syndrome the chromosome arrange will XXY with one extra X chromosome.
Breast growth, breast cancer, osteoporosis, infertility, and learning difficulties are all possible symptoms of Klinefelter syndrome.
Physical and emotional therapy, as well as hormone replacement, are common treatments.