If no genes are listed here, it may be because the affected region is very large.
The JBrowse insert above may show an error for the same reason,
and other FlyBase tools such as CytoSearch may also fail for large regions.
You can contact FlyBase for more help.
In these cases, there will be no "Export to Hitlist" button to the left.
Left break is just after 21C1-21C2, right break is after 22A3.
All limits from polytene analysis (FBrf0006343)