trisomy
Sign in to saveA 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
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- Trisomy
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- Trisomy Detection in GeneMarker.jpg
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- Example of trisomy 21 (Down syndrome) detected via qPCR short tandem repeat analysis
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- Medical genetics
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Article
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==