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Coat Colour


MommaLove
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  • 2 months later...

If red pigment is there, but the dog also has a gene for black pigment, the red will show through only if the black fades (in old hair, for example).

 

 

 

So if you have a black and white BC whose black fades to red (for whatever reason) it's indication that they carry red? What color does the black fade to if they don't carry red (are BB)? Grey? Or does it just not fade, akin to True Black in horses, maybe?

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Olivehill,

Simplistic explanation here: Black and white dogs have red pigment that is masked by the black pigment. If the black fades, say, from sun exposure, then you can see a reddish tint that is the red pigment showing through. Red dogs are red because they don't have the gene--B--that codes for black pigment, so the only pigment they have is red. In other words, they all have red pigment, but you won't normally see red in those dogs who also have black pigment. It's the *absence* of the dominant gene that codes for black that produces red/liver dogs.

 

Here's a page that might explain it more fully for you.

 

Two coat color genetics sites for you:

Schmutz

 

Bowling

 

J.

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  • 3 weeks later...

Lift up her tail and take a photo of the fur around her rectum. Then we can answer your question if she is a tri color or not. Both sable and tan point tri colors will have a different color there. Black and whites (both K black and seal black) will have black fur.

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I'm inclined to believe it is just some sort of staining. But taking a picture around her rectum will tell for sure if she is a tri or a black and white.

 

 

A couple of friends have dogs that have developed tri in later times, but in typical places like cheeks and rear of the legs.

 

Cynthia

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