Trisomy (Noun)
Meaning
Chrosomal abnormality in which there is one more than the normal number of chromosomes in a cell.
Classification
Nouns denoting natural processes.
Examples
- Trisomy is a type of chromosomal abnormality in which there is one more than the normal number of chromosomes in a cell, often leading to developmental and intellectual disabilities.
- Down syndrome is a common example of trisomy, where an individual has an extra copy of chromosome 21.
- Trisomy 13, also known as Patau syndrome, is a rare genetic disorder that occurs when there is an extra copy of chromosome 13.
- The risk of trisomy increases with the age of the mother, especially after the age of 35.
- Trisomy can occur in any chromosome, but trisomy 21, 18, and 13 are the most common types that affect human development.