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“Cookie”
TMH Cookie Monster

Labrador Retriever

“Polar white Labrador”

This dog has been viewed and been given 1 wag

Registration

American Kennel Club (AKC): SR89847707

Genetic Breed Result

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Labrador Retriever

The Labrador Retriever was bred for hunting and excelled in retrieving game after it was shot down. Known for its gentle disposition and loyalty, the Labrador Retriever has become a favorite of families and breeders alike.

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Health Summary

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Cookie inherited one variant that you should learn more about.

Progressive Retinal Atrophy, prcd

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Cookie inherited one copy of the variant we tested

What does this result mean?

This variant should not impact Cookie’s health. This variant is inherited in an autosomal recessive manner, meaning that a dog needs two copies of the variant to show signs of this condition. Cookie is unlikely to develop this condition due to this variant because he only has one copy of the variant.

Impact on Breeding

Your dog carries this variant and will pass it on to ~50% of his offspring. You can email breeders@embarkvet.com to discuss with a genetic counselor how the genotype results should be applied to a breeding program.

What is Progressive Retinal Atrophy, prcd?

PRA-prcd is a retinal disease that causes progressive, non-painful vision loss. The retina contains cells, called photoreceptors, that collect information about light and send signals to the brain. There are two types of photoreceptors: rods, for night vision and movement, and cones, for day vision and color. This type of PRA leads to early loss of rod cells, leading to night blindness before day blindness.

Breed-Relevant Genetic Conditions

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Canine Elliptocytosis (SPTB Exon 30)

Identified in Labrador Retrievers

Pyruvate Kinase Deficiency (PKLR Exon 7, Labrador Retriever Variant)

Identified in Labrador Retrievers

Golden Retriever Progressive Retinal Atrophy 2, GR-PRA2 (TTC8)

Identified in Labrador Retrievers

Progressive Retinal Atrophy, crd4/cord1 (RPGRIP1)

Identified in Labrador Retrievers

Day Blindness (CNGA3 Exon 7, Labrador Retriever Variant)

Identified in Labrador Retrievers

Macular Corneal Dystrophy, MCD (CHST6)

Identified in Labrador Retrievers

Urate Kidney & Bladder Stones (SLC2A9)

Identified in Labrador Retrievers

Alexander Disease (GFAP)

Identified in Labrador Retrievers

Degenerative Myelopathy, DM (SOD1A)

Identified in Labrador Retrievers

Narcolepsy (HCRTR2 Intron 6, Labrador Retriever Variant)

Identified in Labrador Retrievers

Centronuclear Myopathy, CNM (PTPLA)

Identified in Labrador Retrievers

Exercise-Induced Collapse, EIC (DNM1)

Identified in Labrador Retrievers

X-Linked Myotubular Myopathy (MTM1, Labrador Retriever Variant)

Identified in Labrador Retrievers

Congenital Myasthenic Syndrome, CMS (COLQ, Labrador Retriever Variant)

Identified in Labrador Retrievers

Hereditary Nasal Parakeratosis, HNPK (SUV39H2)

Identified in Labrador Retrievers

Skeletal Dysplasia 2, SD2 (COL11A2, Labrador Retriever Variant)

Identified in Labrador Retrievers

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

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Other Body Features

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Body Size

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Performance

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

Haplogroup

A1a

Haplotype

A16/17/99/100

Map

A1a

TMH Cookie Monster’s Haplogroup

A1a is the most common maternal lineage among Western dogs. This lineage traveled from the site of dog domestication in Central Asia to Europe along with an early dog expansion perhaps 10,000 years ago. It hung around in European village dogs for many millennia. Then, about 300 years ago, some of the prized females in the line were chosen as the founding dogs for several dog breeds. That set in motion a huge expansion of this lineage. It's now the maternal lineage of the overwhelming majority of Mastiffs, Labrador Retrievers and Gordon Setters. About half of Boxers and less than half of Shar-Pei dogs descend from the A1a line. It is also common across the world among village dogs, a legacy of European colonialism.

A16/17/99/100

TMH Cookie Monster’s Haplotype

Part of the large A1a haplogroup, this common haplotype is found in village dogs across the globe. Among breed dogs, we find it most frequently in Labrador Retrievers, Newfoundlands, German Shepherd Dogs, and Golden Retrievers.

Shar Pei dogs think A1a is the coolest!

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Through Cookie’s Y-chromosome we can trace his father’s ancestry back to where dogs and people first became friends. This map helps you visualize the routes that his ancestors took to your home. Their story is described below the map.

Haplogroup

A2b

Haplotype

Hc.10

Map

A2b

TMH Cookie Monster’s Haplogroup

A2b appears to have split a few times in succession, which means that some of the Central Asian male ancestors of this lineage went their separate ways before their respective Y chromosomes made their rounds. There is not much diversity in this lineage, meaning that it has only begun to take off recently. Two iconic breeds, the Dachshund and Bloodhound, represent this lineage well. Over half of Rottweilers are A2b, as are the majority of Labrador Retrievers and Cavalier King Charles Spaniels. While A2a is restricted mostly to East Asia, this paternal line is also found among European breeds.

Hc.10

TMH Cookie Monster’s Haplotype

Part of the A2b haplogroup, this haplotype occurs most commonly in Labrador Retrievers, Rottweilers, Curly-Coated Retrievers, Dandie Dinmont Terriers, and village dogs throughout the world.

A2b is found in the Daschund breed.

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