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Down syndrome: Quick Facts

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The Information Architects of Encyclopaedia Britannica

The Information Architects maintain a master list of the topics included in the corpus of  Encyclopædia Britannica, and create and manage the relationships between them.
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Facts

Also Known As trisomy 21 • Down’s syndrome • mongolism

Photos

Teenager with Down syndrome
karyotype; Down syndrome
See All Images →

Related Topics and References

Topics

Key People

default image
Gregg L. Semenza
American physician

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