Which of the Following Chromosomal Anomalies Does Not Usually Cause

Question

Which of the following chromosomal anomalies does not usually cause any symptoms in humans?
A)Trisomy 13
B)Trisomy X
C)Trisomy 18
D)Trisomy 21
E)Trisomy Y

Accepted Answer

The most common autosomal trisomy among humans is trisomy 21,also called Down syndrome.