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Description
Colour standards for the Akhilar, a sighthound breed I created.

To give some context and a bit of scientific backup, the Akhilar 'base colour' pattern is a type of partial albinism, caused by a mutation of one of the enzymes involved in pigment production (tyrosinase). The mutation leads to the production of tyrosinase sensitive to temperature differences, such that warmer parts of the body are pale while cooler parts (generally extremities) are dark. Siamese cat, for example, have a mutation that does that same thing, leading to their distinctive colour patterning. Similar patterns have been found in mice, rabbits, and rats, and may be present in other species besides.

EDIT 4/28/12: there is a new colour modifier, monochromia, that takes all phenomelanin (red colour) out of the coat and all colour out of the eyes, leaving a dog in various shades of grey. It looks like what would happen if you drew a normal Akhilar and then turned the image greyscale.

Here's an explanation of Akhilar colour (and ear shape) genetics:

Akhilar Genotypes Explained:bulletred:Helpful Links:bulletred: +Overview and Registration++Akhilar Breed Standard++Akhilar Colour Guide++Registered Dogs and Bitches++Breed History (coming soon)++

General Genotype Info

In any genotype, there are two components of each possibility: the locus and the alleles. The locus is the spot in the DNA that determines a specific trait, like nose colour; the alleles are the possible genetic sequences that can go in that spot and determine what, say, the nose colour is (to continue the earlier example). Generally there are two alleles present at each locus in any individual animal, although there may be many possibile alleles and co

The breed standard is here:

They are not a fully open breed — you cannot make one without talking to me. If you want one, however, feel free to send me a message; I will probably approve your request, I just want to know that you have one and make sure it fits all the rules.

Here are some more pictures of Akhilar:

Description
Colour standards for the Akhilar, a sighthound breed I created.

To give some context and a bit of scientific backup, the Akhilar 'base colour' pattern is a type of partial albinism, caused by a mutation of one of the enzymes involved in pigment production (tyrosinase). The mutation leads to the production of tyrosinase sensitive to temperature differences, such that warmer parts of the body are pale while cooler parts (generally extremities) are dark. Siamese cat, for example, have a mutation that does that same thing, leading to their distinctive colour patterning. Similar patterns have been found in mice, rabbits, and rats, and may be present in other species besides.

EDIT 4/28/12: there is a new colour modifier, monochromia, that takes all phenomelanin (red colour) out of the coat and all colour out of the eyes, leaving a dog in various shades of grey. It looks like what would happen if you drew a normal Akhilar and then turned the image greyscale.

Here's an explanation of Akhilar colour (and ear shape) genetics:

Akhilar Genotypes Explained:bulletred:Helpful Links:bulletred: +Overview and Registration++Akhilar Breed Standard++Akhilar Colour Guide++Registered Dogs and Bitches++Breed History (coming soon)++

General Genotype Info

In any genotype, there are two components of each possibility: the locus and the alleles. The locus is the spot in the DNA that determines a specific trait, like nose colour; the alleles are the possible genetic sequences that can go in that spot and determine what, say, the nose colour is (to continue the earlier example). Generally there are two alleles present at each locus in any individual animal, although there may be many possibile alleles and co

The breed standard is here:

They are not a fully open breed — you cannot make one without talking to me. If you want one, however, feel free to send me a message; I will probably approve your request, I just want to know that you have one and make sure it fits all the rules.

Here are some more pictures of Akhilar: