Inkiing wrote:Phantom roaning
When roan and pinto genes (tobiano, tovero, overo and manchado specific) interact, it is possible for the roaning to become selective, appearing only on a few spots on the main body of the horse. It's important to note that the presence of the roan gene is necessary for these phantom roaning to appear, and they will not be present on the lower legs and head of the horse.
Phantom roaning can vary in size, with some taking up to 3/4 of the horse's pinto spots, although it is more common for them to affect up to 1/2 of the spots. Additionally, the roan gene can cause more extensive mapping on all of the pinto spots. The color of the phantom spots can range from nearly white to nearly the base color, as long as there is some distinction between the main body color and the roaning.
Genes will need a pinto gene (Tt, Oo, and or + manchado) the roan gene (Rr) and + phantom roaning khims cannot be a carrier if it doesn't pass then it doesn't carry it. Every automatic roan breeding (so Rr x Rr or one parent has RR) will have a 5% chance of getting phantom roaning randomly
Above example is shown with tovero
Another example shown with tobiano
