What would the parent's carry?
   

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What would the parent's carry?

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        09-02-2012, 11:29 AM
      #1
    Green Broke
    Question What would the parent's carry?

    Just curious... my friend has a 13-yr-old gelding whom her family has owned his whole life. They also own both parents.
    I was just wondering what genes his parents, the dam inparticular, would be carrying to cause his color.
    He's nothing special, just a sorrel with a flaxen mane and tail.
    The sire is a palomino (his sire was a palomino & dam a dark sorrel) and the dam is a bay. I know palomino often dilutes, so is that why they got a sorrel w/flaxen out of a bay?
         
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        09-02-2012, 12:26 PM
      #2
    Cat
    Green Broke
    Sire - is a red based horse + 1 cream
    Dam - is a black based horse but is heterozygous - so 1 black gene and 1 red gene. She carries agouti to cause the black to go bay.

    Sire gave one of his red genes, but not the creme. The mare gave the red instead of the black. Not sure on the agouti because it does not impact red.

    As to the flaxen - there is still debate out there on if it is a dominant or recessive gene (unless they finally figured this out for sure since last time I read up on it? If they did - I'm sure someone will be along soon to correct me). Personally I tend to think its recessive considering that it seems to breed true flaxen X flaxen usually produces flaxen - vs. a dominant gene that could be hiding non-flaxen. So if this is the case - both parents carry for flaxen (which does not work on a black based horse so the bay **** would show no signs of it if she carried it) and they each gave a gene to their offspring.
         
        09-02-2012, 12:40 PM
      #3
    Green Broke
    Cool! Very interesting to know! I know they've always wondered but just assumed it was some sort of "throw back"
    Thankyou for clearing it up!
         

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