Select a single annotation or feature.

Click on it.

Select a multi-exon gene model

Click on a line connecting exons or on the label (if active).

Select a single-exon gene model

Click an exon, right-click and choose Select parent.

Add to the current selection

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

Select multiple items in the display

Click-drag the mouse over all items you wish to select 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.

Deselect 1 item from a group selection.

Shift Type SHIFT+cntl CNTRL and click on the item to be deselected, without deselecting the whole group. you want to de-select

Select a sequence region.

Drag along the axis of the coordinates track to select a set of genomic residues.  Click-drag over the sequence bases you want to select. To select residues, the drag must begin in the axis tier.

Deselect everything.

Click the an empty background space region anywhere in the viewer windowmain view.

Select a single floating 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.