How do I set the default MW marker?
Select the MW Marker Lane
Click Tools → Simulate Agarose Gel... to create a new gel.
To select the MW Marker lane, click on the lane heading above the gel.
Set the Default MW Marker
If you would like to change the default shown in the MW Marker menu, click the Set Default MW Marker... button.
Alternatively, on a Mac click SnapGene → Preferences, or on a Windows or Linux computer, click Edit → Preferences.
In the SnapGene Preferences dialog Agarose Gels tab, expand the Default MW Marker for Agarose Gels menu.
Choose the desired ladder, then close the Preferences dialog.
To update the default MW Marker selection if the Simulate Agarose Gel dialog is already open, close the dialog then reopen it.