I have a chestnut gelding who is out of a chestnut mare with a star, strip and snip and by a black sabino roan. The sire is very "lit up" and obviously expresses the sabino gene. I was told that my gelding is a minimally expressed sabino because he has a huge blaze (but not bald), 4 white hooves and 3 socks and because the sabino gene doesn't skip generations. I was also told that he may still "lite up" over time. I can verify that his right front sock took awhile to show up (I think he was 3 month old before it became visible). His other front leg is still chestnut but hoof is white so I'm thinking there is white on that leg somewhere? Is this correct? Is he a minimal sabino? Do sabinos gradually add white? He is not roaned but may he still roan over time?
My stallion is a moderate sabino. He has two high white socks that are irregularly marked as well as a white chin spot and an irregularly marked star/strip and some roaning in his flanks. this roaning does increase but he was born with the white legs and his hooves are stripped. The rubicano gene will add heavy roaning where the sabino is more of a light roan effect( so I have been told) The sabino gene can hide in a horse which is what caused many quarter horse crop outs that where reg as Paints. even a min. can throw a moderate or heavy white. you can look into the gene stuff if you type in seach for horse colors with rubicano and sabino...sounds like your guy may be a moderate..
Cool, thank you Gynna!! I did look and my gelding does have chin spots too. Actually so does his mom, but her sire was black with no markings and her dam is a bay with a white star. So, where it came from on her I don't know, LOL! I will do a search and see what comes up! I am hoping he will roan. His bloodlines on his sire's side are heavy roaners and marked up sabinos. My sister owns an full uncle to my gelding (he's a sorrel with a small star) and he started roaning in the flanks when he was about 2 and it seems like it gets more every spring when he sheds. Genetics really confuse me.....
Glad I could be of some help. When I got my stallion as a youngen I did a lot of research. Genetics is amazing. Look at how much we have learned in just the past few years. I remember as a child our first horse. El Blanco! he was called an albino as he had blue eyes and pink skin. Now we know he was a cremello. aslo had a bay morgan/appy mare that the old owner bred to a albino qh and we had us a beautiful buckskin blanket appy. If AQHA knew back then what it does now there would be a whole lot less reg. paint horses! What confuses me is that there are genes and modifiers. I still think we have a lot to learn. You can get your horses tested at UC davis for about 50 bucks. Makes you wonder if the granddam was a buckskin or a dun? or Grand sire a brown or smokey black or bay...
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