trisomy

Also 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

Article

6 sections

Contents

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==