Question

Genetic disorder due to trisomy of chromosome $21$ in humans is

• A. Down's Syndrome
• B. Klinfelter's Syndrome
• C. Turners Syndrome
• D. None of the above

Answer 1

The correct option is A Down's Syndrome

Down syndrome, also known as trisomy 21, is a genetic disorder caused by the presence of all or part of the third copy of chromosome 21. It is typically associated with physical growth delays, mild to moderate intellectual disability, and characteristic facial features.

So, the correct answer is 'Down's Syndrome'.