Name of color/pattern? - Page 4

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Name of color/pattern?

This is a discussion on Name of color/pattern? within the Horse Colors and Genetics forums, part of the Horse Breeds, Breeding, and Genetics category

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        04-18-2013, 11:04 AM
    Green Broke
    I wouldn't call Playgun snow white .. the recent pics I've seen he is pretty fleabitten.

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        04-18-2013, 11:33 AM
    Originally Posted by Cherie    
    This has to be a wrong assumption as I have had many snow white mares out of bay, brown, black and sorrel mares. I have a white Playgun granddaughter out of a bay mare right now. Playgun, himself, is snow white and is sired by the Sorrel Freckles Playboy but is out of a snow white mare. She produced another gray son by a sorrel stud that is also snow white. They cannot be homozygous for gray with only one gray parent.

    I do not think there are two 'completely different' gray genes, but I would bet on one have a slight mutation from the other. I have never seen the two different patterns ever cross the genetic lines. They have always had a direct line to one dominant gray pattern or the other or it is a 'crap shoot' if they can have both from two different pattered parents. I have never seen either pattern skip a generation so it is dominant trait.

    The same is true of the Arabian, Nabor*. I had two different Nabor* daughters I trained out of bay and chestnut mares and both were snow white like him.

    I don't follow the grey as much as the other colors, and last I heard that was the thinking. Only been around two greys in my life and both were white at a young age, but both also carried LP which seems to accelerate the process even more.
        04-18-2013, 01:27 PM
    Green Broke
    Originally Posted by Chiilaa    
    This is a good observation, but it is a misinterpretation of causality. There is only one grey gene, and I doubt very much that another will ever be found, there is no reason to believe it will.

    What you are seeing is something genetic, yes. But it is not two different grey genes, it is something else - the "fleabitten" code. Just like all bay horses are black based, so all fleabitten greys are grey based, and it's the same gene as non-fleabitten. Just something ELSE aside from that causing the fleabitten pattern.
    That's what I was thinking, too. Fleabitten and non-fleabitten grays will both test positive for the DNA tests for gray, so they're the same gene. We're still a long way from fully understanding every gene and what it does, which is why there are lots of color variations that we currently can't explain or test for (what makes some chestnut horses dark and some light?) I'd say it's very likely there's a heritable genetic component to fleabites; we just haven't singled it out yet.
        04-19-2013, 03:05 PM
    Originally Posted by sheenaschlytter    
    she has an arab face to me
    Though she don't really seem to have the "build" of an Arab.
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