
trisomy
Sign in to saveAlso known as chromosomal triplication
A trisomy is a type of polysomy in which there are three instances of a particular chromosome, instead of the normal two. A trisomy is a type of aneuploidy (an abnormal number of chromosomes).
Key facts
- Medical condition (new).name
- Trisomy
- Medical condition (new).image
- Trisomy Detection in GeneMarker.jpg
- Medical condition (new).caption
- Example of trisomy 21 (Down syndrome) detected via qPCR short tandem repeat analysis
- Medical condition (new).field
- Medical genetics
via Wikipedia infobox
Research
26,083 papers- Trisomy in man.Annual review of genetics · 1984
- The common trisomy syndromes, their cardiac implications, and ethical considerations in care.Current opinion in pediatrics · 2023
- [Genetic etiology of trisomy].Soins. Psychiatrie · 2025
- [Trisomy 13].La Presse medicale · 1971
- Trisomy in humans: incidence, origin and etiology.Current opinion in genetics & development · 1993
via PubMed
~4 min read
Encyclopedic overview
6 sectionsContents
- Description and causes
- Terminology
- Human trisomy
- Trisomies in other species
- See also
- References
A trisomy is a type of polysomy in which there are three instances of a particular chromosome, instead of the normal two. A trisomy is a type of aneuploidy (an abnormal number of chromosomes).
==Description and causes==
Excerpted from Wikipedia’s “trisomy” article, available under the CC BY-SA 4.0 licence.