XYY syndrome - Wikipedia
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 …
47,XYY Syndrome (Jacobs Syndrome) - Cleveland Clinic
2024年12月5日 · 47,XYY syndrome (Jacobs syndrome) means you have an extra Y chromosome. It often goes undiagnosed due to a lack of obvious symptoms. But the syndrome is associated …
XYY Syndrome | Male Chromosome Disorder
2012年10月3日 · 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.
XYY Syndrome: Causes, Symptoms, and More - Healthline
2017年6月7日 · 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 …
XYY Syndrome: What Is It, Causes, Diagnosis, and More | Osmosis
2025年2月4日 · XYY syndrome, also known as Jacobs syndrome, is a chromosomal disorder resulting from an extra Y chromosome (47, XYY). It often manifests with above-average …
XYY Syndrome (for Parents) | Nemours KidsHealth
What Is XYY Syndrome? XYY syndrome is a genetic condition found in males only. About 1 in 1,000 boys have it. Boys with XYY syndrome — also known as 47,XYY — might be taller than …
What Is XYY Syndrome? - Verywell Health
2023年4月21日 · XYY syndrome (Jacobs syndrome or 47,XYY) is a genetic condition that occurs when a person assigned male at birth is born with an extra copy of the Y chromosome in some …