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ConfluenceFarms · Mar 28, 2016 8:00 PM

Rose Quote:

I just saw that it's every white and the first two sabinos, in case you're wondering. I can never remember exactly every combination either, but I do remember that Frame (Owl) is a lethal gene when homozygous, at least.

I think I can actually remember the white vs sabino thing. How much stuff can you ask one (or 2) Kit gene (s) to do before it gives up the ghost!?

ConfluenceFarms · Mar 28, 2016 8:01 PM

(oh, and PS...don't fall into my bad habit...it is Olw! :p)

RoseFlute · Mar 28, 2016 8:22 PM

XD I didn't notice that. :P
I'm not sure what you mean, but the Splashes at least aren't as deathy as the Whites. :P

PaintsStables · Mar 28, 2016 8:32 PM

Be careful with Splash 2 and 3, they may also produce Olw. I would have to check my documents, I have it saved so I can just pull it up fast.

RoseFlute · Mar 28, 2016 8:36 PM

Whoa, really? A 2nd gen foal from Frameless parents can spontaneously generate Frame? Freaky! And Awesome! But Freaky!

PaintsStables · Mar 28, 2016 8:41 PM

This is what I got from one of the other threads. Cannot remember who it was from or what thread it was in. I have the others also. The whites and sabinos.

Homozygous Splash 2 to Homozygous Splash 3 - 1 in 4 chance of getting a LW foal.

Homozygous Splash 2 - Splash 2 to Splash 2 - 1 in 4 chance of getting a LW foal.

Homozygous Splash 3 - Splash 3 to Splash 3 - 1 in 4 chance of getting a LW foal.

Splash 1 though is SAFE when Homozygous - Splash 1 to Splash 1

Splash 1 though is SAFE when Homozygous, or in combination with any other of the Splashes - Splash 1 to Splash 2, or Splash 1 to Splash 3.

OndowaStables · Mar 29, 2016 10:13 AM

It doesn't spontaneously generate frame, it causes a dead foal by a different method. "Overo lethal white" specifically means a foal that dies shortly after birth from homozygous frame causing it to have an incomplete digestive tract that leads to impaction colic. The other homozygous lethal genes cause death early in embryonic development (and either re-absorption of the fetus or early miscarriage) rather than a foal than can't survive being born, so they should not be referred to with the same terminology.

The non-frame lethal gene combinations in the game are:
Any of the dominant whites are lethal either homozygous or combined with any other dominant white.
Sabino 1 or sabino 2 are lethal combined with white 1 or white 2. (Sabino 3 is safe with everything, and whites 3 and 4 are safe with all sabinos).
Splash 2 and splash 3 are lethal when homozygous or combined with each other. (Splash 1 is safe when homozygous and in combination with both other splashes).

For any homozygous lethal gene (or lethal gene combination), there is a 1 in 4 chance of a dead foal when breeding parents who both carry the gene.

SandycreekFarm · Mar 29, 2016 11:13 AM

Here is a sample Punnet Square to help you visualize how this all works.

In this square, the sire's two Kit alleles are at the top and the dam's two Kit alleles are on the left. The asterix stands for any of the four Dominant White mutations that are in the game (in real life there are a great many more). The four combinations are created by pairing the allele at the top of a column with the alleles on the left in their own order. These are the possible combinations of alleles a foal has a chance of inheriting when you cross this stallion with this mare.

You can substitute the frame alleles, O and Olw, or the splash ones, if you need to visualize what can happen with them, but the pattern will be essentially the same. The Red combination equals a dead foal.

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