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One Blue eye, One Brown eye?
alpha wiener
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2007/2/4 21:09
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Having just seen a picture on the blog of a dog with one blue eye and one brown eye I was curious as to how that can happen from a genetic standpoint. It is my understanding that blue eyes are recessive and that to have blue eyes you must have two blue eye genes and no brown eye genes. Perhaps that is only true in humans? I know it is relatively common in certain breeds and colors of dogs .(like huskies) I thought maybe some of the breeders out there might know the answer.

Posted on: 2007/6/16 19:33
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Re: One Blue eye, One Brown eye?
alpha wiener
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In dachshunds you will mostly see it in dapples, the reason the eye is blue is how the dappling goes over the eye. I have had 3 litters so far, and in the first one I had 1 pup that had 2 blue eyes and one pup that had one brown one blue (both parents have brown eyes), in our second litter we had 2 dapples and one of them had two brown eyes and one had one brown and one blue. And the third litter is too young to know yet. But I'm pretty sure that at least 2 of them will have blue eyes. I hope this helps in the dachshund world.

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Posted on: 2007/6/16 20:05
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Re: One Blue eye, One Brown eye?
ultimate hotdog
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From MO, puppy mill capital of the world =P
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Quote:
It is my understanding that blue eyes are recessive and that to have blue eyes you must have two blue eye genes and no brown eye genes. Perhaps that is only true in humans?

That's true in humans, right. :) Whether or not its true in other species, I'm sure it is, and I believe it is in at least one breed of canine, just not in the dachshund breed. In dachshunds, [theoretically] the only thing that would cause blue in the eyes is dappling, which is an unpredictable dominant trait. That's not to say the blue-eye recessive allele isn't out there, but I've never heard of it appearing in the breed.

Posted on: 2007/6/16 21:22
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Re: One Blue eye, One Brown eye?
wiener wonder dog
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Martini has a one blue and one brown eye --and neither parent have blue eyes...I tend to agree with the dappling, seeing she is a Dapple

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Posted on: 2007/6/16 21:44
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