Question

brief note on down syndrome​

Answer 1

Answer:

Down syndrome or Down's syndrome, 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.

Explanation:

This is the correct answer

Make the answer Brilliant

Follow me

Answer 2

$\huge \mathfrak \red{answer}$

Down syndrome or Down's syndrome, 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.

Symptoms: Delayed physical growth,

characteristic facial features, mild to moderate i...

Causes: Third copy of chromosome 21

Other names: Down's syndrome, Down's, trisomy 21

Diagnostic method: Prenatal screening, genetic testing