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Today General Knowledge(GK)
Which disease is caused by the presence of extra chromosome 21, also known as Trisomy 21?
A)
Down's Syndrome
B)
Addison's Disease
C)
Parkinson's Disease
D)
Korsakoff's Syndrome

Correct Answer : Option (A) - Down's Syndrome



Down syndrome (trisomy 21) is a genetic disorder caused by the presence of all or a portion of a third chromosome 21. Patients typically present with mild to moderate intellectual disability, growth retardation, and characteristic facial features.

Published On : May 30, 2021
Category : Diseases
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