The multi-region display allows users to "slice" their track-viewing experience into a variety of different modes that focus the display on certain features: exon-only, gene-only, or user-defined BED coordinates. Only the portions of track annotations that fall within these displayed regions are shown; extraneous intergenic, intronic and otherwise unwanted regions are hidden from view.
For human assemblies hg17 and later, the multi-region view also supports the replacement of a section of the reference genome with an alternate haplotype chromosome. This allows the user to view annotations upstream and downstream of the haplotype sequence, and visualize the haplotype in the general context of the reference chromosome.
Using the multi-region display, one can: