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One KIT gene three kit mutations. :)

When those linkages happen they are effectively new genes. It is not a horse with w20 and w20 and tobiano. It is a horse with w20 and w20 linked tobiano.

The article wrote it as 20+22 so pardon my confusion, lol!

"Together they discovered a unique phenomenon of horses carrying two KIT W20/W20 variants along with a third, new KIT variant, which we named “W22” (aka. Airdrie Apache White Gene). This 3 KIT phenomenon is possible because the W22 allele is “within” or “on” the W20 allele as a haplotype"

"Not only are these four horses with W20/W20 AND W22 proof of incredible genetic discovery, they are also stunning horses to experience firsthand."

But either way, I'm sure that such a linkage would be too complicated to incorporate here, but having w22 come in even just by itself would be so cool!

https://vgl.ucdavis.edu/test/dominant-white-horse

W22 occurs on the W20 background, that means that all horses with the W22 mutation also have the W20 mutation.

Basically, there is no such thing as w22 by its self.

poor jockeys need to bend her into a horseshoe in the starting gate to prevent her from ducking under it.

From what I understand, her grandmother had a random mutation (Her great ganrparents didn't;t have any white, etc...) Does anyone know what the mutation is called?