|Barked: Sun Sep 14, '08 4:13pm PST |
|Gio/Romeo's mom works in a dog coat color genetics lab. Here is the lab webpage about poodle coat color genetics:
Though I have to say that the breeders I talked to and pedigrees I looked at don't always match up. I think there are probably some other undiscovered genes, or the genes may be working together to produce different coat colors.
Also, parti colored poodles may be a DQ for AKC events, but they are an acceptable color for UKC, and also in Europe I believe.
Regardless, the white patch doesn't mean your pup isn't pure poodle! And it is probably also not a result of being a parti-color poodle (partis tend to have more pie-bald type of spotting). When the puppy is an embryo, the pigmented skin cells start out on the spinal cord of the dog. These cells divide and spread around the embryo, reaching the chest and toes last. If these pigmented cells haven't reached all the way around the dog, then they will have white toes or a white patch on their chest. My other pup Sabrina is a good example of this, most of her toes have just the tip white, and she has a white splotch on her chest.
Basically, this incomplete movement of pigmented skin cells is not usually genetic, so it theoretically could happen in any line of poodle, from excellent breeders to the worst puppy mills.
Edited by author Sun Sep 14, '08 4:15pm PST
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