Question

Trisomy (2n + 1) causes retardation in child, which is
known as
(A) Philadelphia (B) Down's Syndrome
(C) Albinism
(D) none of these​

Answer 1

Answer:

(B) Down's Syndrome.

Explanation:

This is your answer.

Answer 2

Answer:

(B) Down's Syndrome

please make this a brainliest answer