For the syntenic dot plot below, what does the shorter line in between and perpendicular to the two longer lines represent?

Question

Quizplus · Accepted Answer

The shorter line perpendicular to the longer lines in the syntenic dot plot represents a chromosomal inversion. This is when a segment of DNA is flipped and the order of genes is reversed. This is represented in the dot plot as a perpendicular line because the orientation of the genes is reversed on one of the chromosomes being compared.

For the Syntenic Dot Plot Below, What Does the Shorter