A chromosome contains the following gene order:
A B C D • E F G H
Which of the following rearrangements represents a paracentric inversion?
A) A F E • D C B G H
B) A F G H B C D • E
C) A B C E • D F G H
D) A C B D • E F G H
E) A B C D • E F G H

Question

A chromosome contains the following gene order: 
A B C D • E F G H 
Which of the following rearrangements represents a paracentric inversion?
A) A F E • D C B G H
B) A F G H B C D • E
C) A B C E • D F G H
D) A C B D • E F G H
E) A B C D • E F G H

Quizplus · Accepted Answer

A paracentric inversion involves a rearrangement of genes on a chromosome that does not include the centromere. In option D, the genes C and B are inverted, which is a paracentric inversion as it occurs on one arm of the chromosome without involving the centromere.

A Chromosome Contains the Following Gene Order