Down syndrome (DS or DNS) or Down's syndrome, forby kent as trisomy 21, is a genetic disorder caused bi the presence o aw or pairt o a third copy o chromosome 21.[1]

Down syndrome
A boy wi Down syndrome assemblin a beukcase
Clessification an freemit resoorces
SpecialtyMedical genetics, pediatrics
ICD-10Q90
ICD-9-CM758.0
OMIM190685
DiseasesDB3898
MedlinePlus000997
eMedicineped/615
Patient UKDown syndrome
MeSHD004314

References

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  1. Patterson, D (Julie 2009). "Molecular genetic analysis of Down syndrome". Human Genetics. 126 (1): 195–214. doi:10.1007/s00439-009-0696-8. PMID 19526251.