What are the characteristics of XYY syndrome?
What are the characteristics of XYY syndrome?
Boys with XYY syndrome — also known as 47,XYY — might be taller than other boys. Other symptoms can include problems with spoken language and processing spoken words, coordination problems, weaker muscles, hand tremors, and behavioral problems.
What are the identity of a person’s that tends to show Supermale?
XYY syndrome is a genetic condition in which a male has an extra Y chromosome. There are usually few symptoms. These may include being taller than average, acne, and an increased risk of learning problems….
| XYY syndrome | |
|---|---|
| Frequency | ~1 in 1,000 males |
What gender is someone with XXY?
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 Xyy be treated?
Treatment of XYY syndrome is symptomatic and supportive. Speech therapy, occupational therapy, or assistance for learning disabilities in the school setting may be of benefit.
What causes XXYY syndrome?
48,XXYY syndrome results from the presence of an extra copy of both sex chromosomes in each of a male’s cells (48,XXYY). Extra copies of genes on the X chromosome interfere with male sexual development, preventing the testes from functioning normally and reducing the levels of testosterone.
What is double Y syndrome?
XYY syndrome is a rare chromosomal disorder that affects males. It is caused by the presence of an extra Y chromosome. Males normally have one X and one Y chromosome. However, individuals with this syndrome have one X and two Y chromosomes. Affected individuals are usually very tall.
What are the signs and symptoms of 47 XYY syndrome?
Some boys with 47, XYY syndrome may have difficulty in certain subjects in school such as reading and writing. However, boys with this syndrome do not typically have intellectual disability. Other signs and symptoms of 47, XYY syndrome may include asthma, dental problems, and acne.
How common is XYY syndrome in males?
Sometimes, this mutation is only present in some cells. Males with XYY syndrome have 47 chromosomes because of the extra Y chromosome. This condition is also sometimes called Jacob’s syndrome, XYY karyotype, or YY syndrome. According to the National Institutes of Health, XYY syndrome occurs in 1 out of every 1,000 boys.
What are the chances of having another child with 47 XYY syndrome?
If a couple has a child with 47, XYY syndrome, the chances for the couple or family members to have another child with the syndrome are not increased. Men who have 47, XYY syndrome themselves are also not thought to be at an increased risk to have a child with chromosome differences.
Does karyotype 47 XYY affect sexual orientation?
There is no indication that the sexual orientation of boys and men with 47,XYY is any different than it is in those with a 46,XY karyotype. The commonest indications for karyotyping in boys with 47,XYY are developmental delay and/or behavioral difficulties.
