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The A- Series (agouti-signalling peptide) ASIP affects the distribution of eumelanin. The ASIP gene has four alleles the ay (fawn/red or sable), the aw (wild sable/wild type or wild boar), at (black & tan/tricolour) and the a (solid black). These four alleles work in a hierarchy - one is dominant over the other. The Agouti test runs and reports all 4 alleles.
Please Note: We strongly recommend that you also request a K-Locus test with any A-Locus request as the expression of any A locus results (colour) is stringly influenced by the K-Locus..
the agouti-signalling peptide (ASIP) gene have identified four different alleles that affect the pigmentation of coat colour in dogs. In dogs that do not carry the dominant black gene (ky/ky at the K Locus) and are not "e/e" for the E Locus, the agouti gene is allowed to express and determines the colour of the dog's coat. The four alleles work as a hierarchy, with the most dominant allele that the dog has always being expressed (assuming n/n for the K Locus). The most dominant allele is "ay", followed by "aw", then "at", then "a."
Trait (Associated with Phenotype)
Base Substitution 246 G>T(A82S); G>A (R83H): C>T (p.R96C)
It is a trait and so is tested based on preference, not usually for health concerns.
Mode of Inheritance:
Science. 2007 Nov 30; 318(5855): 1418–1423.[PMC2906624]
J Hered. 2003 Jan-Feb;94(1):75-9. [Pubmed/12692166]
br> "Conditions Associated with Coat Color in Dogs." University of Saskatchewan. University of Saskatchewan, 02 June 2011. Web. 03 Apr. 2014.
Dog Coat Colour Genetics http://doggenetics.co.uk/
Associated Breed(s):Affenpinscher, Afghan Hound, Airedale Terrier, Akita , Alaskan Malamute, American Bulldog , American Cocker Spaniel, American Eskimo Dog, American Foxhound, American Pit Bull Terrier, American Staffordshire Terrier, Anatolian Shepherd, Australian Bulldog, Australian Cattle Dog, Australian Cobberdog, Australian Kelpie, Australian Labradoodle , Australian Shepherd, Australian Silky Terrier, Australian Stumpy Tail Cattle Dog, Australian Terrier, Basenji, Basset Hound, Beagle, Bearded Collie , Bedlington Terrier, Belgian Groenendael Shepherd, Belgian Lakenois Shepherd, Belgian Malinois Shepherd, Belgian Tervueren Shepherd , Bernese Mountain Dog, Bichon Frise, Black Russian Terrier , Bloodhound, Boerboel, Border Collie, Border Terrier, Borzoi, Boston Bulldog, Boston Terrier, Bouvier Des Flandres, Boxer , Boykin Spaniel, Briard, British Bulldog, Brittany Spaniel , Bull Arab, Bull Terrier, Bullmastiff, Cairn Terrier, Canaan Dog, Cane Corso Italiano, Cardigan Welsh Corgi, Cardigan Welsh Corgi, Catahoula, Catahoula Leopard Dog, Cavalier King Charles Spaniel, Cavoodle, Chesapeake Bay Retriever , Chihuahua, Chinese Crested, Chow Chow, Clumber Spaniel , Cockapoo, Cocker Spaniel, Collie Rough, Collie Smooth, Coonhound, Coton De Tulear, Curly Coated Retriever, Dachshund , Dachshund Standard Long Hair, Dachshund Standard Smooth Hair, Dachshund Standard Wire Hair, Dalmatian, Dandie Dinmont Terrier, Dingo, Dobermann, Dogue de Bordeaux, English Setter , English Springer Spaniel, English Toy Spaniel , English Toy Terrier, Field Spaniel, Finnish Lapphund, Flat Coated Retriever, Fox Terrier (Toy), Foxhound , French Bulldog, German Shepherd Dog, German Shorthaired Pointer, German Spitz , Giant Schnauzer, Golden Retriever, Goldendoodle, Gordon Setter , Great Dane, Great Pyrenees, Greyhound , Griffon Bruxellois - Standard, Groodle, Harlequin Pinscher, Havanese, Havanese Terrier Toy, Hungarian Kuvasz, Hungarian Vizsla, Ibizan Hound, Irish Setter, Irish Terrier, Irish Wolfhound, Italian Greyhound, Italian Spinone, Jack Russell Terrier, Jagd Terrier, Japanese Chin, Japanese Shiba Inu, Japanese Spitz, Kaninchen Dachshund, Keeshond, Kerry Blue Terrier, Komondor, Koolie , Labradoodle , Labrador Retriever, Lagotto Romagnolo, Lakeland Terrier , Lancashire Heeler, Landseer ECT, Lapponian Herder, Leonberger, Lhasa Apso, Lowchen, Maltese, Manchester Terrier , Maremma Sheepdog, Mastiff , Miki, Miniature American Shepherd, Miniature Bull Terrier, Miniature Dachshund Long Hair, Miniature Dachshund Smooth Hair, Miniature Dachshund Wire Hair, Miniature Fox Terrier, Miniature Pinscher , Miniature Poodle, Miniature Schnauzer, Miniature Yorkshire Terrier, Mixed Breed, Mountain Dog , Munsterlander, Murray River Retriever, Neapolitan Mastiff, Newfoundland, Norfolk Terrier , Norwegian Elkhound, Norwich Terrier, Nova Scotia Duck Tolling Retriever , Old English Mastiff , Old English Sheepdog , Papillon, Parson Russell Terrier, Pekingese, Pembroke Welsh Corgi, Peruvian Hairless Dog, Plott Hound, Pomeranian, Portuguese Water Dog, Pug, Puli, Rat Terrier, Rhodesian Ridgeback , Rottweiler , Saint Bernard , Saluki, Samoyed, Schipperke, Schnoodle, Scottish Deerhound, Scottish Terrier , Sealydale Terrier, Sealyham Terrier , Shar Pei, Sheepadoodle, Shetland Sheepdog, Shiba Inu, Shih tzu, Shmoodle, Shoodle, Short Bully, Shortybull, Siberian Husky, Silky Terrier , Skye Terrier, Sloughi, Smithfield, Smooth Fox Terrier, Soft Coated Wheaten Terrier, Spoodle, Staffordshire Bull Terrier , Standard Poodle, Standard Schnauzer, Sussex Spaniel, Swedish Lapphund, Tenterfield Terrier , Tibetan Mastiff, Tibetan Spaniel, Tibetan Terrier , Toy Poodle, Volpino Italiano, Water Spaniel , Weimaraner, Welsh Springer Spaniel, West Highland White Terrier , Whippet , White Swiss Shepherd, Wire Fox Terrier, Xoloitzcuintle (Mexican Hairless), Yorkshire Terrier,