What is aneuploidy? Write any four symptoms of Down's syndrome.

Explanation

If there is excess or absence of one or more chromosome.s in the total compliment is known as aneuplodiy. Symptoms: Prominent facial features include 1. Flattened nose, 2. Protruding tongue, and 3. Upward slanting eyes (Mongolian slant) 4. Epicanthal fold (The inner corner of the eyes may have a rounded fold of skin) 5. The hands are short and broad with short fingers 6. Hypotonia (Low muscular strength in infants ) 7. Short, broad 8. Small or malformed ears 9. Short,broad neck 10. Simian crease 11. IQ typically between 25 and 50 12. Infertility in males.