What does trisomy mean?
A trisomy is a genetic disorder caused by the presence of an extra chromosome in a cell. This can lead to various health problems and developmental issues in individuals. Trisomies can occur in any chromosome, but some are more common than others. For example, Down syndrome is a type of trisomy that occurs when there is an extra copy of chromosome 21. Trisomies can be caused by errors during cell division or by exposure to certain environmental factors. They can be diagnosed through genetic testing, and treatment options vary depending on the type and severity of the disorder. Understanding trisomies is essential for providing proper care and support to individuals affected by these conditions.
noun
A trisomy is a type of genetic disorder caused by the presence of an extra chromosome in a cell. This can lead to various health problems and developmental issues in individuals.
- A type of genetic disorder caused by the presence of an extra chromosome in a cell.
"The doctor explained to the parents that their child had a rare trisomy that required immediate medical attention."
"The doctor explained to the parents that their child had a rare trisomy that required immediate medical attention."
"The genetic counselor discussed the risks and consequences of trisomy in the family."
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of trisomy
The term 'trisomy' comes from the Greek words 'tri' meaning three and 'somy' meaning body. It was first used in the early 20th century to describe the presence of an extra chromosome in a cell.
Usage notes
Trisomy is a formal term used in medical and scientific contexts. It is not commonly used in everyday conversation.