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Klinefelter syndrome has different manifestations and these will vary from one patient to another. Among the primary features are infertility and small, poorly functioning testicles. Often, symptoms may be subtle and many people do not realize they are affected.
DSDs caused by chromosomal variation generally do not present with genital ambiguity. This includes sex chromosome DSDs such as Klinefelter syndrome, Turner syndrome and 45,X or 46,XY gonadal dysgenesis. [14] Males with Klinefelter syndrome usually have a karyotype of 47,XXY as a result of having two or more X chromosomes. [15]
Because of this, 48,XXYY syndrome was originally considered a variation of Klinefelter syndrome. Shared physical and medical features resulting from the presence of an extra X chromosome include tall stature, the development of testosterone deficiency in adolescence and/or adulthood (hypergonadotropic hypogonadism), and infertility.
XYY syndrome; Klinefelter syndrome (XXY) Triple X syndrome; Noonan syndrome, a disorder which is often confused with Turner syndrome because of several physical features that they have in common. Creeping vole, a mammal species in which it is typical for females to have only one X chromosome. X0/XY mosaic
XYY syndrome, also known as Jacobs syndrome, is an aneuploid genetic condition in which a male has an extra Y chromosome. [1] There are usually few symptoms. [ 2 ] These may include being taller than average and an increased risk of learning disabilities .
Kallmann syndrome (KS) is a genetic disorder that prevents a person from starting or fully completing puberty. Kallmann syndrome is a form of a group of conditions termed hypogonadotropic hypogonadism . [ 1 ]
It's hard to believe one of Sex and the City's most shocking deaths is old enough to order itself a Cosmopolitan.. In a show full of unforgettable moments, season 6's episode 18, aptly titled ...
Congenital muscular dystrophy-infantile cataract-hypogonadism syndrome is a very rare genetic disorder which is characterized by congenital muscular dystrophy, infantile-onset cataract, and hypogonadism. Males usually develop Klinefelter syndrome while females develop agenesis of the ovaries. [2]