Human genes for Klinefelter's syndrome
Klinefelter's syndrome [DOID:1921]
Klinefelter syndrome, 47, XXY, or XXY syndrome is a condition in which human males have an extra X chromosome. While females have an XX chromosomal makeup, and males an XY, affected individuals have at least two X chromosomes and at least one Y chromosome. Because of the extra chromosome, individuals with the condition are usually referred to as "XXY Males", or "47, XXY Males".
Synonyms: Klinefelter's syndrome, DOID:1921, Klinefelters syndrome, Klinefelter's disease, Klinefelter's disorder ...