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Yes (well technically no, but you would have gotten a lethal white foal). Both of his parents are heterozygous for Frame so there was (and is, with every time you breed them) a 1 in 4 chance he would have gotten frame from both parents and been a lethal white foal. What we call frame in the game is also known as Overo (a pattern) and Lethal White because two copies of Overo are always lethal. It causes malformation of the digestive tract and the foals colic and die horribly a few days/hours after birth. I believe such foals are born all or mostly white, so it's possible to identify them that way and euthanize before they die in pain. Genetic testing in real life is widely utilized to prevent breedings that might result in a lethal white foal (after all, breeding and producing a healthy foal is expensive and not without risk) but some people still fail to take advantage of this or "play the odds"...

Anyway, if you breed this pair again, it's a 1 in 4 chance they will throw a lethal white, a 2 in 4 chance that the foal will turn out like this one and be heterozygous for frame and a 1 in 4 chance the foal won't get any frame at all. Please note that the Freaky Friday Rank Special is likely to show up for Friday the 13th in a few days. These horses are homozygous for frame, meaning they are much less safe to breed to other frame horses.

If bred to a heterozygous frame horse, there is a 50% chance of a dead foal, and a 50% chance of a heterozygous, live foal.

So, it would be quite a gamble making such a cross.