Can a person be XXY?
Can a person be XXY?
Klinefelter syndrome is a genetic condition in which a boy is born with an extra X chromosome. Instead of the typical XY chromosomes in men, they have XXY, so this condition is sometimes called XXY syndrome. Men with Klinefelter usually don’t know they have it until they run into problems trying to have a child.
What causes XXY 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.
Are XXY males sterile?
Between 95% and 99% of XXY men are infertile because they do not produce enough sperm to fertilize an egg naturally. But, sperm are found in more than 50% of men with KS. Advances in assistive reproductive technology (ART) have made it possible for some men with KS to conceive.
Is there such a thing as a male XXY?
XXY is male. It is not a gender issue. It is not an intersex issue. All people regardless of chromosome type (XX, X0, XY, XXY, and more) have gender issues to consider.
What kind of chromosome is the XXY chromosome?
A chromosome is a strand of DNA. XXY chromosomes are a naturally occurring human male variation. XXY men are identical in physical appearance and mental capacity to XY men.
What are the signs and symptoms of 47, XXY?
Some people with 47, XXY may have no noticeable signs or symptoms (features) or only mild features. Others may have more moderate to severe features. [1] [2] Common symptoms of 47, XXY include low testosterone, infertility, speech and language problems, and learning difficulties.
How is 47, XXY different from 46, XY?
In general male babies and young boys with 47, XXY are not very different from babies and young boys with 46, XY. Some may have slightly longer legs, weaker muscles, delayed development of motor skills, and learning and/or language problems. Puberty and adulthood is when differences may become more clear.