Question

The sequence of a chromosome can be represented by ABCD@EFGH, where the @ symbol represents the centromere. Which of the following below best describe the chromosomes that shows an inversion in this chromosome?

A. ABCD@EGH
B. ACBD@EFGH
C. ABBCD@EGH
D. ABZCD@EFGH

Answer 1

B. ACBD@EFGH
Inversion is when the segments of a chromosome are rearranged and put in reverse order. This is visible in the transition from ABCD... to ACBD...