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“Merah”
RVH Merah on the Mountain Top

Beagle

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Genetic Breed Result

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Beagle

The Beagle is a scent hound and a great family pet. They are known for being affectionate and having loud voices.

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Health Summary

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Merah is at increased risk for one genetic health condition.

Intervertebral Disc Disease (Type I)

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Merah inherited both copies of the variant we tested

How to interpret this result

Merah has two copies of an FGF4 retrogene on chromosome 12. In some breeds such as Beagles, Cocker Spaniels, and Dachshunds (among others) this variant is found in nearly all dogs. While those breeds are known to have an elevated risk of IVDD, many dogs in those breeds never develop IVDD. For mixed breed dogs and purebreds of other breeds where this variant is not as common, risk for Type I IVDD is greater for individuals with this variant than for similar dogs.

What is Intervertebral Disc Disease (Type I)?

Type I Intervertebral Disc Disease (IVDD) is a back/spine issue that refers to a health condition affecting the discs that act as cushions between vertebrae. With Type I IVDD, affected dogs can have a disc event where it ruptures or herniates towards the spinal cord. This pressure on the spinal cord causes neurologic signs which can range from a wobbly gait to impairment of movement. Chondrodystrophy (CDDY) refers to the relative proportion between a dog’s legs and body, wherein the legs are shorter and the body longer. There are multiple different variants that can cause a markedly chondrodystrophic appearance as observed in Dachshunds and Corgis. However, this particular variant is the only one known to also increase the risk for IVDD.

Breed-Relevant Genetic Conditions

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Factor VII Deficiency (F7 Exon 5)

Identified in Beagles

Pyruvate Kinase Deficiency (PKLR Exon 7, Beagle Variant)

Identified in Beagles

Progressive Retinal Atrophy, crd4/cord1 (RPGRIP1)

Identified in Beagles

Primary Open Angle Glaucoma (ADAMTS10 Exon 17, Beagle Variant)

Identified in Beagles

Congenital Stationary Night Blindness (LRIT3, Beagle Variant)

Identified in Beagles

Neonatal Cerebellar Cortical Degeneration (SPTBN2, Beagle Variant)

Identified in Beagles

Hypocatalasia, Acatalasemia (CAT)

Identified in Beagles

Cobalamin Malabsorption (CUBN Exon 8, Beagle Variant)

Identified in Beagles

Musladin-Lueke Syndrome, MLS (ADAMTSL2)

Identified in Beagles

Osteogenesis Imperfecta (COL1A2, Beagle Variant)

Identified in Beagles

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

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Body Size

Body Size

Performance

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Through Merah’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

A2a

Map

A1e

RVH Merah on the Mountain Top’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!

A2a

RVH Merah on the Mountain Top’s Haplotype

Part of the large A1e haplogroup, we see this haplotype in village dogs up and down the Americas as well as French Polynesia. Among the breed dogs we have detected it in, we see it most frequently in English Springer Spaniels, Papillons, and Collies.

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

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