Question

Explain down's syndrome.

Answer 1

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Down syndrome (DS or DNS ) also known as 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 physical growth delays ,mild to moderate intellectual disability ,and characteristic facial features. ..There is no cure for Down syndrome.

Explanation:

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Answer 2

Answer:

Down’s Syndrome

○ Cause: Presence of an additional copy of chromosome 21 (Trisomy of 21)

○ Affected individual has short stature, small, round head, furrowed tongue, partially opened mouth, palm crease,

congenital heart disease and mental retardation.

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