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“Katrina”
Wildjack Lady Katrina

Russell-type Terrier

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Genetic Breed Result

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Russell-type Terrier

These small, energetic terriers, developed in 19th century England for hunting small game, are now some of the best agility dogs around.

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Health Summary

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Katrina inherited one variant that you should learn more about.

Dilated Cardiomyopathy, DCM1

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Katrina inherited one copy of the variant we tested

What does this result mean?

Research indicates that this genetic variant is not likely to increase the risk that Katrina will develop this condition.

Scientific Basis

Dogs with Katrina’s breed have been included in research studies or have had follow-up by our experts that indicate that this genetic variant is not likely to increase the risk of Katrina developing clinical disease.

Impact on Breeding

This genetic result should not be the primary factor in your breeding decisions.

What is Dilated Cardiomyopathy, DCM1?

DCM is the most common acquired heart disease of adult dogs. The heart has two heavily muscled ventricles that pump blood away from the heart. This disease causes progressive weakening of the ventricles by reducing the muscle mass, which causes the ventricles to dilate. Dilated ventricles do not contract and circulate oxygenated blood well, which eventually leads to heart failure.

Breed-Relevant Genetic Conditions

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Severe Combined Immunodeficiency, SCID (PRKDC, Terrier Variant)

Identified in Russell-type Terriers

Primary Lens Luxation (ADAMTS17)

Identified in Russell-type Terriers

Urate Kidney & Bladder Stones (SLC2A9)

Identified in Russell-type Terriers

Enamel Hypoplasia (ENAM SNP, Parson Russell Terrier Variant)

Identified in Russell-type Terriers

Late Onset Spinocerebellar Ataxia (CAPN1)

Identified in Russell-type Terriers

Spinocerebellar Ataxia with Myokymia and/or Seizures (KCNJ10)

Identified in Russell-type Terriers

Degenerative Myelopathy, DM (SOD1A)

Identified in Russell-type Terriers

Congenital Myasthenic Syndrome, CMS (CHRNE, Jack Russell Terrier Variant)

Identified in Russell-type Terriers

Intervertebral Disc Disease (Type I) (FGF4 retrogene - CFA12)

Identified in Russell-type Terriers

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 Katrina’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

B74

Map

B1

Wildjack Lady Katrina’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.

B74

Wildjack Lady Katrina’s Haplotype

Part of the large B1 haplogroup, this haplotype occurs most frequently in mixed breed dogs.

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

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