The frame overo gene can be masked by other white patterns, particularly tobiano, which is a dominant gene and epistatic to overo.
Overo |
The roster of Fabris’ notable students included Prince-Archbishop John Frederick of Bremen and Christian IV, King of Denmark, under whose patronage he published his exceptional rapier-fencing manual Lo Schermo, overo Scienza d’Arme (“on fencing, or martial knowledge”).
Pintabian horses may also display Sabino or Overo characteristics and be of any base color including Dun, Gray and Cream.