Question 10. 

Consider the following adjacency graph:

The correct representation for genomes A and B and the DCJ distance between them are:

A) DCJ_dist = 3


B) DCJ_dist = 4
 

C)  DCJ_dist = 4


D) DCJ_dist = 5
 
E) None of the above.

(Original idea by: Celso A. W. Santos)