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Post by sandy on Feb 14, 2006 17:56:06 GMT -5
I looked at the color calculator you posted the link for. What color would you say Flash is? And would his pattern be tobiano or none?
Also, grulla isn't listed. Would you classify Breeze as a smoky black tobiano?
I think this will be a LOT of fun once I know what color my dams and sires are, LOL!
sandy
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Post by sandy on Feb 14, 2006 21:43:33 GMT -5
In thinking about it, I guess Flash would be considered a chesnut, because that's the color of his medicine cap, right? Is he a maximum pinto?
sandy
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Post by beckys on Feb 15, 2006 8:03:20 GMT -5
Sandy,
Flash is a chestnut tovero (tobiano + splashed white), but the color calculator doesn't recognize the splashed pattern. He also carries agouti.
Breeze is indeed a grulla (black + dun) but the calculator doesn't recognize dun. I doubt if Breeze carries creme, but you could always have her tested.
The calculator is only recognizing colors/patterns that can actually be tested for. I'm hoping there will be tests someday for dun and splashed white!
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Post by sandy on Feb 16, 2006 22:26:48 GMT -5
Becky, if grulla is caused by a "dilution" gene, then wouldn't she carry that gene, even though it would probably be recessive?
I'm confused on Flash, too. Why is he classified as a tovero, and not just perhaps a maximum expression tobiano or maximum expression overo? Was there any genetic testing done on Flash to see if he is heterozygous or homozygous for tobiano?
I've been studying genetics again the last couple of days. That's why I'm so confused! haha.
sandy
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Post by beckys on Feb 17, 2006 7:58:02 GMT -5
Here's some info I copied from EquineColor.com regarding the dilution genes.
Color Dilutions
Palomino, Dun, Silver Dapple and Grullo are just a few of the colors that are created when a base color and a dilution gene are combined. The diluting genes include: Champagne, Cream, Dun and Silver.
Dilute genes are dominant. Dominant genes require at least one parent to have the gene for it to be passed on to the offspring. Since some dilution genes (Silver and Cream) do not affect certain color pigments, at times it may seem as though the gene did appear out of nowhere. Scientific and breeding research has proven that these genes are still passed along in dominant form even if it may seem that neither parent contributed the gene.
Champagne
Cream
Dun
Silver
As to Flash, he is tovero. Tobianos do not have face white or blue eyes. Those are caused by another pinto pattern.
Flash has not been tested except through his offspring. He has sired 'solids' out of non tobiano mares, so he is heterozygous for tobiano. He has sired tobianos out of non tobiano mares, so he is tobiano (+ splashed white) not straight splashed white. His 'solid' foals that I've had are actually minimal splashed whites as they have all had at least a blue eye and maybe a snip.
Hope this info helps!
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Post by sandy on Feb 22, 2006 22:20:52 GMT -5
Hmmmm... "Tobianos do not have face white or blue eyes."
So, Rambo has a lot of white on his face and has blue eyes, but he is Tobiano. What other gene might be at play there, making those blue eyes? He also has a lot of sabino markings on his skin on his chin and lips.
sandy
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Post by beckys on Feb 23, 2006 9:36:43 GMT -5
Sandy, I think Rambo is splashed white + tobiano, maybe sabino too. You could always have him tested for LWO as that could be a possibility.
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