Buckskin...would you suspect a white gene too? - Page 2 - The Horse Forum
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post #11 of 20 Old 09-13-2012, 07:58 PM
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I think you failed to understand what I wrote. I never said sabino did not produce leg white. I implied that depending on the gene is expressed could vary the amount of leg white, that sabino doesn't always look a certain way. In addition, I also have seen horses DNA tested positive for frame that had leg white. -_-

This horse could carry both genes for all we know.
..which is what was implied, that she carries both frame and sabino. However, what I'm saying is that if an N/O horse has white on its legs, it's caused by something other than frame, such as sabino.
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post #12 of 20 Old 09-13-2012, 08:01 PM
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...
This horse could carry both genes for all we know.
And you are arguing with a point that has already been made by Chiilaa. We KNOW that frame doesn't put white on the legs. We KNOW that another pattern is present.
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post #13 of 20 Old 09-14-2012, 11:16 AM
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So any horse with regular white socks carries sabino? What happened to regular white patterns?

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post #14 of 20 Old 09-14-2012, 11:34 AM
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So any horse with regular white socks carries sabino? What happened to regular white patterns?
Leg white is caused by sabino, splash or tobiano (in theory dominant white too, but I haven't seen one that minimal before). All "regular" white is actually minimal expression of a white pattern gene, just restricted to the head and legs.

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post #15 of 20 Old 09-14-2012, 11:45 AM
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So theorhectically everyone owns a sabino, if they have white at all. There isn't just a white gene?

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post #16 of 20 Old 09-14-2012, 11:47 AM
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So theorhectically everyone owns a sabino, if they have white at all. There isn't just a white gene?
It can be one of the three, or two of them or only one. Sabino isn't the only one that causes leg white, not all leg white is caused by sabino. However, yes, everyone who has a horse with leg white or face white owns a horse with a white pattern.

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post #17 of 20 Old 09-14-2012, 11:49 AM
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There's only 1 testable mutation of sabino that's available right now, so we couldn't know if the "normal" white actually caused by a sabino mutation or some other unknown white pattern.

But yes, theoretically, every horse that has any white markings has some sort of white pattern causing it.
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post #18 of 20 Old 09-14-2012, 12:23 PM
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What did we ever do before Sabino was found? LOL

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post #19 of 20 Old 09-14-2012, 05:17 PM Thread Starter
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Thanks AbsitVita! She is adorable...and sweet..and I think her trainer may be getting too attached and not want to give her up
I may see about getting her tested later, just to satisfy my own curiosity. I will be sure to let you know if I do!
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post #20 of 20 Old 09-14-2012, 07:04 PM
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Originally Posted by WSArabians View Post
What did we ever do before Sabino was found? LOL
Geneticists have been theorising that there are different forms of white for a few years now, probably close to 20 IIRC. Science is just catching up and confirming what we already believe, although it often has shed light on certain myths too. Everyone was surprised when splash came out in three forms, no one I talk to expected that. And it was a commonly held belief that brown was black with mealy, until the agouti test was developed. Turns out it's not
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