Conditions
Down Syndrome
Genetic Disorder
Citation Formats
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Down syndrome, also known as Down's syndrome or trisomy 21, is a genetic disorder caused by the presence of all or part of a third copy of chromosome 21. It is usually associated with developmental delays, mild to moderate intellectual disability, and characteristic physical features.
Facts
Condition Class Causative AgentThird copy of chromosome 21 (trisomy 21) 1 Cross-Tradition Connections
Sources
1. Down Syndrome (Wikipedia)
Wikimedia FoundationLead sectionQuote, Lead section
Down syndrome or Down's syndrome, also known as trisomy 21, is a genetic disorder caused by the presence of all or part of a third copy of chromosome 21.
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