ღ Equine Coat Colour Genes List ღ

[giraffidae]

marking with my special highlighter ♥

[SaturnMourning]

Love this
Just some additional pattern info, the genes for Tobiano, Roan, Sabino, and Dominant White are collectively know as the KIT Gene (all are located on the same locus, except tobiano, but it is so close to it that it is always linked with it) and a horse can only have 2 of these, say a tobiano roan horse would be ToRn, can only be heterozygous for both patterns, and will pass one or the other, but not both. However, if a horse has 2 KIT alleles, it can still have splash white, overo etc. because they are on a different locus. Basically, the KIT Gene acts like Cream/Pearl do. Also, not all Dominant White patterns are homozygous lethal (:
Of course there can always be mutations that allow for both KIT genes to be passed, or for say, RnSab to also have tobiano. The article I linked has more info on that though (and probably explains it better too lol)

http://colorgenetics.info/equine/kit-gene-combinations-horses-dominant-white-roan-sabino-and-tobiano

And apparently Splash White 2 and 3 are homozygous lethal O.o

[Vivalandar]

Mark to make sure I don't lose this critical information .

[palindrome.]

marking, also i was wondering if reverse patterns have anything specific in genetics?

[Hime]

marking, also i was wondering if reverse patterns have anything specific in genetics?

I've never heard the term reverse pattern. Do you have any examples to show what you mean?

[palindrome.]

marking, also i was wondering if reverse patterns have anything specific in genetics?

I've never heard the term reverse pattern. Do you have any examples to show what you mean?

a reverse fewspot? leopard? idk anymore im losing my mind all i know is that it is reverse

and then a reverse dappled

[Hime]

marking, also i was wondering if reverse patterns have anything specific in genetics?

I've never heard the term reverse pattern. Do you have any examples to show what you mean?

a reverse fewspot? leopard? idk anymore im losing my mind all i know is that it is reverse

and then a reverse dappled

First one I think is called snowflake in Lp terms(and that horse is also probably considered as spotted blanket). Not sure of it's exact genetics though, but has Lp gene at least. There are also couple mutations that cause random white spots, called chubari spots and bird catcher spots. But no known genetics for either.
Second one is reverse dapples indeed, no known genetics for that and probably works similary as normals dapples do, which had something to do with blood circulation if I remember right.

[steve rogers.]

marking

[Berenice.]

mark

[Brynmala]

Oh, I love colour genetics! I don't think you've got Mushroon listed yet? I've not looked at this one recently to know where research has got to, but it is known in the Shetland (the real Scottish version!), where it dilutes the redness out of chestnuts leaving them a faded colour. I don't know what it does to black hair, if anything. There's an article at http://www.kellas-stud.co.uk/mystery.htm which says Sponenburg has further information in Equine color genetics, Feb 2009, but my copy is far too buried to dig out right now. I'd be really surprised if Lesli Kathman didn't also cover it in the Equine tapestry.