If you mix these what will you get? - Page 2 - The Horse Forum
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post #11 of 17 Old 01-04-2011, 11:47 PM
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Horse Tests << You can check out the tests here.

With homozygous for black (no red gene), when bred to another black, you are guaranteed a black.
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post #12 of 17 Old 01-06-2011, 01:33 PM
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One way to kind of guess if a horse is homozygous for tobiano is if they have "cat tracks". Little black (in your case) spots as well as the larger patches of black in their pattern.

Like this stallion displays, who happens to be homozygous for tobiano.


It's not a surefire way of knowing, but a lot of homozygous tobianos have them.

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post #13 of 17 Old 01-06-2011, 01:39 PM
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There are also heterozygous tobianos that have them. The only way to know 100% is to have a horse tested.
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post #14 of 17 Old 01-06-2011, 01:45 PM
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I know there are, which is why I said it wasn't a surefire way to know if the horse is homozygous, but since a large majority of homozyg. Tobs do have them it could possibly be an indicator.

"Always be yourself. Unless you can be a unicorn. Then, always be a unicorn."
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post #15 of 17 Old 01-06-2011, 01:52 PM
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I was also clarifying that the only sure way to know is to test for it since there are horses with cat tracks that are not homozygous.
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post #16 of 17 Old 01-06-2011, 06:25 PM Thread Starter
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Hummmmm.....I know my girl doesn't have any spots (cat tracks).....I don't believe he does either because they look almost identical to each other. So if they're not then what can the differences be? Just the pattern?

Lisa

'I love my Sexy Scarlett'
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post #17 of 17 Old 01-06-2011, 07:22 PM
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There is no way to tell by looking at the pattern if a horse is homozygous for Tobiano. In fact, I have seen a filly that is completely solid that has tested homo for tobi. The only way to tell if she is homo or hetero is to test her.

Mods, grant me the serenity to see the opinions I cannot change, courage to change the ones that should change, and the wisdom to spot the trolls.
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