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Momo

Cavalier King Charles Spaniel

“Momo is my best friend and her capacity for love is endless. We work in a hotel and she is a welcome sight for all the weary travellers that miss their furry freinds. There was one guy who stayed with us for two weeks and everyday she would cuddle with him in the lounge sofa and lick his beard. Momo also loves cats, and wines everytime they run away from her. She doesn’t understand why they won’t be her friends. She loves them so much I think I have to get her one ^__^”

This dog has been viewed and been given 28 wags

Genetic Breed Result

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Cavalier King Charles Spaniel

The Cavalier King Charles Spaniel is an indoor companion that loves people and should not be left alone for long. They're loved for their sweet temperaments, and make wonderful dogs for families with children or anyone looking for a dog who will stick to them like Velcro.

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Health Summary

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Momo is at increased risk for one genetic health condition.

And inherited one variant that you should learn more about.

Intervertebral Disc Disease (Type I)

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Momo inherited both copies of the variant we tested

How to interpret this result

Momo 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.

Degenerative Myelopathy, DM

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Momo inherited one copy of the variant we tested

What does this result mean?

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

Impact on Breeding

This result is also important if you decide to breed this dog - to produce the healthiest puppies we recommend genetic testing any potential mates for this condition.

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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Dry Eye Curly Coat Syndrome

Identified in Cavalier King Charles Spaniels

Muscular Dystrophy

Identified in Cavalier King Charles Spaniels

Episodic Falling Syndrome

Identified in Cavalier King Charles Spaniels

Additional Genetic Conditions

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Traits

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

Base Coat Color

Base Coat Color

Coat Color Modifiers

Coat Color Modifiers

Other Coat Traits

Other Coat Traits

Other Body Features

Other Body Features

Body Size

Body Size

Performance

Performance

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Through Momo’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

A1a

Haplotype

A224

Map

A1a

Momo’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.

A224

Momo’s Haplotype

Part of the large A1a haplogroup, this haplotype is found in village dogs in Peru, Fiji, and Namibia. Among breeds, we see this haplotype most frequently in Cavalier King Charles Spaniels, Mastiffs, and Boston Terriers.

Shar Pei dogs think A1a is the coolest!

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

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