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Select a single annotation or feature.

Click on it.

Select an entire gene model instead of an exon.

Directly select a whole gene by clicking on the line connecting the exons or on the label (if active). If you mistakenly select an exon instead of a gene, right-click anywhere within the track to open choose a menu, and Select parent.

Add to the current selection

Shift-click to add individual items or shift and drag to add multiple items.

Select multiple annotations/ features.

Click and drag the mouse around selected items. A drag must begin in the empty area, not on top of any annotation or in the coordinates track.You can use shift-click or shift-drag to select additional items.
Note: IGB will preferentially select whole gene annotations, as opposed to individual exons when using the click-drag selection method. To select many individual exons, you will need to select them individually using shift + click on each on
Tip: IGB reports the number of selected items in the lower left corner. Use this to count aligned sequences in an alignments track.

Deselect 1 item from a group selection.

Shift+cntl and click on the item to be deselected, without deselecting the whole group.

Select a sequence region.

Drag along the axis of the coordinates track to select a set of genomic residues.  To select residues, the drag must begin in the axis tier.

Deselect everything.

Click the empty background space in the viewer window.

Select a single graph.

Click on its handle - the rectangle at the left inside the main view window

Select an entire annotation track.

Click on its track label in the left-hand panel.