Join Date: Aug 2010
Location: Perth, Western Australia
• Horses: 0
First of all, toss out the word "overo". It really is an archaic word that has no relevance today when discussing genetics. It literally means "my horse has white, but I don't think it is tobiano, so I am going to lump it as overo and be done with it."
As for your horse, he does have some white, so he clearly inherited a white pattern from one or the other of his parents. See, the thing with white patterns is that sometimes, they express minimally. A blaze, a star, a tiny snip of white on one heel, there are all still caused by white patterns. They are just restricted to these tiny markings. So your horse got the pattern, and just didn't express it as much as his parents.
Assuming he is the horse in your avatar, I would say there is a good chance he has frame, which is causing the white blaze and possibly the blue eye.
Mods, grant me the serenity to see the opinions I cannot change, courage to change the ones that should change, and the wisdom to spot the trolls.