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Klinefelter syndrome (KS), also known as 47,XXY, is a chromosome anomaly where a male has an extra X chromosome. [10] These complications commonly include infertility and small, poorly functioning testicles (if present).
Klinefelter syndrome (sometimes called Klinefelter's, KS or XXY) is where boys and men are born with an extra X chromosome. Chromosomes are packages of genes found in every cell in the body. There are 2 types of chromosome, called the sex chromosomes, that determine the genetic sex of a baby.
29 paź 2024 · Klinefelter syndrome is a common condition that results when a person assigned male at birth has an extra copy of the X sex chromosome instead of the typical XY. Klinefelter syndrome is a genetic condition that occurs before birth, but it often isn't diagnosed until adulthood.
This booklet is written to help you understand and explain your son’s genetic condition, 47,XXY, also known as Klinefelter syndrome. Emphasize to your son is that this genetic condition is quite common. One boy in 600 is born with an extra X chromosome.
1 paź 2024 · A male fetus typically ends up having an XXY chromosome due to either the ova or the sperm containing an extra X chromosome. Statistically more probability of XXY syndrome is observed in male babies delivered by an older mother approaching menopause.
28 paź 2024 · Klinefelter syndrome, also known as XXY syndrome, is a condition in boys and men that’s caused by an extra X chromosome. It can affect physical and mental development.
Males with a normal male karyotype (XY) in some cells may be fertile and have less obvious malformations. Some affected men have 3, 4, and even 5 X chromosomes along with the Y. As the number of X chromosomes increases, the severity of intellectual disability and of malformations also increases.
