Configure Image
 
image width:pixels
label area width:characters
text size:
Show light blue vertical guidelines, or light red vertical window separators in multi-region view
Display labels to the left of items in tracks
Display description above each track
Show track controls under main graphic
Next/previous item navigation
Next/previous exon navigation
Show exon numbers
Enable highlight with drag-and-select (if unchecked, drag-and-select always zooms to selection)

Configure Tracks on UCSC Genome Browser: Mouse Jun. 2020 (GRCm39/mm39)
  Tracks:    Groups:
Control track and group visibility more selectively below.
-   R-loopBase Data    
Base Position Chromosome position in bases. (Clicks here zoom in 3x)
Quantitative R-loop... Quantitative R-loop
     Quantitative Score     Stacked Quantitative R-loop Score
     R-loop Region     Quantitative R-loop Region
R-loop Zone R-loop Zone Level
R-loop Signal R-loop Signal
-   Mapping and Sequencing    
Gap Gap Locations
GC Percent GC Percent in 5-Base Windows
Short Match Perfect Matches to Short Sequence ()
-   Genes and Gene Predictions    
GENCODE VM38 GENCODE VM38
NCBI RefSeq RefSeq genes from NCBI
-   Variation and Repeats    
RepeatMasker Repeating Elements by RepeatMasker