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Tahoe

Australian Shepherd

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Registration

American Kennel Club (AKC):

Genetic Breed Result

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Australian Shepherd

Australian Shepherds are an energetic mid-sized breed that make the perfect companion.

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DNA Breed Origins

Breed colors:
Australian Shepherd

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Health Summary

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Tahoe is at increased risk for one genetic health condition.

Multiple Drug Sensitivity

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Tahoe inherited one copy of the variant we tested

How to interpret this result

Tahoe has one copy of a variant at the ABCB1 gene and is at risk for displaying adverse drug reactions. While she may not be as severely affected as a dog with two copies of the ABCB1 drug sensitivity allele, normal dosages of drugs could still have potentially severe effects on Tahoe. Please inform your veterinarian that Tahoe carries this variant; it is essential that they know this information before prescribing drugs.

What is Multiple Drug Sensitivity?

Sensitivity to certain classes of drugs, notably the parasiticide ivermectin, as well as certain gastroprotectant and anti-cancer medications, occurs in dogs with a mutation in the ABCB1 gene.

Breed-Relevant Genetic Conditions

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Progressive Retinal Atrophy, prcd (PRCD Exon 1)

Identified in Australian Shepherds

Collie Eye Anomaly (NHEJ1)

Identified in Australian Shepherds

Day Blindness (CNGB3 Deletion, Alaskan Malamute Variant)

Identified in Australian Shepherds

Canine Multifocal Retinopathy, cmr1 (BEST1 Exon 2)

Identified in Australian Shepherds

Hereditary Cataracts (HSF4 Exon 9, Australian Shepherd Variant)

Identified in Australian Shepherds

Urate Kidney & Bladder Stones (SLC2A9)

Identified in Australian Shepherds

Neuronal Ceroid Lipofuscinosis 6, NCL 6 (CLN6 Exon 7, Australian Shepherd Variant)

Identified in Australian Shepherds

Neuronal Ceroid Lipofuscinosis 8, NCL 8 (CLN8, Australian Shepherd Variant)

Identified in Australian Shepherds

Degenerative Myelopathy, DM (SOD1A)

Identified in Australian Shepherds

Craniomandibular Osteopathy, CMO (SLC37A2)

Identified in Australian Shepherds

Junctional Epidermolysis Bullosa (LAMB3 Exon 11, Australian Shepherd Variant)

Identified in Australian Shepherds

Additional Genetic Conditions

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Traits

Explore the genetics behind your dog’s appearance and size.

Coat Color

Coat Color

Other Coat Traits

Other Coat Traits

Other Body Features

Other Body Features

Body Size

Body Size

Performance

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Through Tahoe’s mitochondrial DNA we can trace her mother’s ancestry back to where dogs and people first became friends. This map helps you visualize the routes that her ancestors took to your home. Their story is described below the map.

Haplogroup

B1

Haplotype

B1c

Map

B1

Tahoe’s Haplogroup

B1 is the second most common maternal lineage in breeds of European or American origin. It is the female line of the majority of Golden Retrievers, Basset Hounds, and Shih Tzus, and about half of Beagles, Pekingese and Toy Poodles. This lineage is also somewhat common among village dogs that carry distinct ancestry from these breeds. We know this is a result of B1 dogs being common amongst the European dogs that their conquering owners brought around the world, because nowhere on earth is it a very common lineage in village dogs. It even enables us to trace the path of (human) colonization: Because most Bichons are B1 and Bichons are popular in Spanish culture, B1 is now fairly common among village dogs in Latin America.

B1c

Tahoe’s Haplotype

Part of the large B1 haplogroup, we have detected this haplotype in Mexico and Lebanon village dogs. Among the 12 breeds that we have spotted this haplotype in, it occurs most frequently in Border Collies, Australian Shepherd Dogs, and West Highland white Terriers.

The B1 haplogroup can be found in village dogs like the Peruvian Village Dog, pictured above.

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The Paternal Haplotype reveals a dog’s deep ancestral lineage, stretching back thousands of years to the original domestication of dogs.

Are you looking for information on the breeds that Tahoe inherited from her mom and dad? Check out her breed breakdown and family tree.

Paternal Haplotype is determined by looking at a dog’s Y-chromosome—but not all dogs have Y-chromosomes!

Why can’t we show Paternal Haplotype results for female dogs?

All dogs have two sex chromosomes. Female dogs have two X-chromosomes (XX) and male dogs have one X-chromosome and one Y-chromosome (XY). When having offspring, female (XX) dogs always pass an X-chromosome to their puppy. Male (XY) dogs can pass either an X or a Y-chromosome—if the puppy receives an X-chromosome from its father then it will be a female (XX) puppy and if it receives a Y-chromosome then it will be a male (XY) puppy. As you can see, Y-chromosomes are passed down from a male dog only to its male offspring.

Since Tahoe is a female (XX) dog, she has no Y-chromosome for us to analyze and determine a paternal haplotype.

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