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“Tessa”
Archer Hill Tessa

Bernese Mountain Dog

“Tessa is a Bernese Mt Dog that lives here on our farm. She absolutely loves the snow! She has that special Berner lean when she wants your love and attention”

Current Location

Minnesota, USA

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Registration

American Kennel Club (AKC): WS65934502

Genetic Breed Result

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Bernese Mountain Dog

Bernese Mountain Dogs are strikingly beautiful dogs, originally bred to assist as farm dogs in the Swiss Alps and popular today as loyal companions and family dogs.

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Health Summary

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Tessa inherited one variant that you should learn more about.

Degenerative Myelopathy, DM

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Tessa inherited one copy of the variant we tested

What does this result mean?

This variant should not impact Tessa’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. Tessa is unlikely to develop this condition due to this variant because she only has one copy of the variant.

Impact on Breeding

Your dog carries this variant and will pass it on to ~50% of her 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 Degenerative Myelopathy, DM?

The dog equivalent of Amyotrophic Lateral Sclerosis, or Lou Gehrig’s disease, DM is a progressive degenerative disorder of the spinal cord. Because the nerves that control the hind limbs are the first to degenerate, the most common clinical signs are back muscle wasting and gait abnormalities.

Breed-Relevant Genetic Conditions

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Von Willebrand Disease Type I, Type I vWD (VWF)

Identified in Bernese Mountain Dogs

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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Performance

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Through Tessa’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

A1e

Haplotype

A228

Map

A1e

Archer Hill Tessa’s Haplogroup

This female lineage likely stems from some of the original Central Asian wolves that were domesticated into modern dogs starting about 15,000 years ago. It seemed to be a fairly rare dog line for most of dog history until the past 300 years, when the lineage seemed to “explode” out and spread quickly. What really separates this group from the pack is its presence in Alaskan village dogs and Samoyeds. It is possible that this was an indigenous lineage brought to the Americas from Siberia when people were first starting to make that trip themselves! We see this lineage pop up in overwhelming numbers of Irish Wolfhounds, and it also occurs frequently in popular large breeds like Bernese Mountain Dogs, Saint Bernards and Great Danes. Shetland Sheepdogs are also common members of this maternal line, and we see it a lot in Boxers, too. Though it may be all mixed up with European dogs thanks to recent breeding events, its origins in the Americas makes it a very exciting lineage for sure!

A228

Archer Hill Tessa’s Haplotype

Part of the large A1e haplogroup, we have spotted this haplotype in village dogs in the Democratic Republic of the Congo and in the Dominican Republic. Among breeds, we see it frequently in big dogs like Saint Bernards, Leonbergers, and Great Danes. However, we also see it in small breeds including wire Fox Terriers and Rat Terriers. That’s a pretty wide size range!

Irish Wolfhounds are a consistent carrier of A1e.

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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 Tessa inherited from her mom and dad? Check out her breed breakdown.

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

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