What are the characteristics of a person with Klinefelter syndrome?
Taller than average stature. Longer legs, shorter torso and broader hips compared with other boys. Absent, delayed or incomplete puberty. After puberty, less muscle and less facial and body hair compared with other teens.
How is life with Klinefelter syndrome?
They may tend to be quiet, shy, and more reserved or sensitive than other guys. Some boys with Klinefelter syndrome are less interested in sports or physical activities. Since high-school life often revolves around schoolwork and sports, guys with Klinefelter may feel like they don’t fit in or lack self-confidence.
What is the XXY theory?
XYY syndrome is a genetic condition that occurs when a male has an extra copy of the Y chromosome in each of their cells (XYY). Sometimes, this mutation is only present in some cells. Males with XYY syndrome have 47 chromosomes because of the extra Y chromosome.
Is XXY male or female?
Usually, a female baby has 2 X chromosomes (XX) and a male has 1 X and 1 Y (XY). But in Klinefelter syndrome, a boy is born with an extra copy of the X chromosome (XXY). The X chromosome is not a “female” chromosome and is present in everyone. The presence of a Y chromosome denotes male sex.
Can a man with Klinefelter syndrome have babies?
Most boys with Klinefelter syndrome can have sex when they become men, usually with the help of testosterone treatment. But problems with their testicles prevent them from making enough normal sperm to father children. Most men with the condition are infertile and can’t father a child the usual way.
Can females have Klinefelter?
Klinefelter syndrome affects males only; females cannot have it. Klinefelter syndrome results from a genetic abnormality in which males have an extra copy of the X chromosome.
What are Supermales?
Definition of supermale 1 : extremely male or masculine : supermasculine a supermale face …
Is Klinefelter’s a disability?
If you or your dependent(s) are diagnosed with Klinefelter Syndrome and experience any of these symptoms, you may be eligible for disability benefits from the U.S. Social Security Administration.
What is Klinefelter syndrome?
The two sex chromosomes help a person develop fertility and the sexual characteristics of their gender. Most often, Klinefelter syndrome is the result of one extra X (written as XXY).
What chromosome is X in Klinefelter syndrome?
Males have an X and a Y sex chromosome (XY). Klinefelter syndrome can be caused by: One extra copy of the X chromosome in each cell (XXY), the most common cause An extra X chromosome in some of the cells (mosaic Klinefelter syndrome), with fewer symptoms
How does Klinefelter syndrome affect language development in boys?
Boys and men with Klinefelter syndrome tend to have better receptive language skills (the ability to understand speech) than expressive language skills (vocabulary and the production of speech) and may have difficulty communicating and expressing themselves.
What are the complications of Klinefelter syndrome in men?
Men who have Klinefelter syndrome also have an increased risk for autoimmune disorders such as lupus, rheumatoid arthritis and Sjogren’s syndrome. What are the symptoms of Klinefelter syndrome?