Which is MC genetic cause of mental retardation –
Correct Answer: Fragile-x-syndrome
Description: Ans. is 'c' i.e., Fragile-X-syndromeo Down's syndrome is the most common genetic cause of mental retardation, and fragile-X is second to Down's.Also know o Most common inherited cause of mental retardation is fragile-X-syndrome (because down's syndrome is congenital cause but not inherited).
Category:
Psychiatry
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