Homozygous Roan Lethal? - Page 5

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Homozygous Roan Lethal?

This is a discussion on Homozygous Roan Lethal? within the Horse Colors and Genetics forums, part of the Horse Breeds, Breeding, and Genetics category

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        08-23-2012, 07:01 PM
    See that's where I'm confused too. I would figure two cream would be CRCR, one CRcr and none crcr. But I'm following what it says on the powerpoint I've been provided.

    "-Codominant allele Ccr dilutes red pigment to yellow.
    -Fully pigmented red horse is CC at this locus.
    -Heterozygous CCcr dilutes bay to buckskin and chestnut to palomino but does not dilute black.
    -Homozygous CcrCcr dilutes ALL colors except white or gray to pale cream (cremello) often with pink skin and blue eyes."

    Wonder if I can get away with just label it CRCR etc.

    The first horse I posted is just a plain ol' chestnut tobiano. Though I think she has frame due to her jagged markings (which I'm putting on the assignment LOL)

    It's like they add more letters than they need to for identifying cream x.x

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        08-23-2012, 07:11 PM
    Ok that is just confusing as all heck. Po was that how yours was? I still want to smack that teacher...
        08-23-2012, 07:19 PM
    Using a "C" for no cream present and "Ccr" for cream present is really confusing O_o

    What does she use for no champagne present?

    Also kind of silly to have to list all the things that aren't present... you'd have a list a mile long if you included everything that can be identified currently (silver, pearl, champagne, splash, sabino, etc, etc.)
        08-23-2012, 08:15 PM
    Originally Posted by NdAppy    
    ok that is just confusing as all heck. Po was that how yours was? I still want to smack that teacher...
    Yep. It was so half-assed backwards. I'm at least relieved to see that there are other people that do it.. Crcr would make much more sense for 1 copy, crcr for no cream, and CrCr for double cream. Le sigh.
        08-23-2012, 08:18 PM
    But, but po! That would make SENSE! And we can't have that!
    Poseidon likes this.

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