On the same DNA profile chart depicted previously, four genetic markers can be added to the gel and have buttons labeled Marker A, Marker B, Marker C and Marker D.

Marker A is color coded blue and when clicked, two blue bands are added to the column with the gray elephant at 100 and 95 and one is added to the column with the brown elephant at 105.

Marker B is color coded brown and when clicked, one brown band is added to the column with the gray elephant at 180 and one two are added to the column with the brown elephant at 190 and 165.

Marker C is color coded green and when clicked, two green bands are added to the column with the gray elephant at 150 and 130 and two are added to the column with the brown elephant at 140 and 135.

Marker D is color coded purple and when clicked, one purple band is added to the column with the gray elephant at 70 and two are added to the column with the brown elephant at 75 and 65.