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“Muffin”
NATCH Muffin Tops CA FCAT3 CGC TKN

Doberman Pinscher

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Registration

American Kennel Club (AKC):

Genetic Breed Result

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Doberman Pinscher

Doberman Pinschers are a strong and athletic breed that are built to guard and protect.

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Changes to this dog’s profile
  • On 5/31/2023 changed name from "Muffin" to "Muffin Tops"
Here’s what Muffin’s family tree may have looked like.
While there may be other possible configurations of her family’s relationships, this is the most likely family tree to explain Muffin’s breed mix.
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Health Summary

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Muffin is at increased risk for three genetic health conditions.

Von Willebrand Disease Type I, Type I vWD

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Muffin inherited one copy of the variant we tested

How to interpret this result

Muffin has one copy of this variant in the VWF gene and will likely have decreased levels of vWF compared to a dog without this variant. However, they will have higher levels of vWF than a dog with two copies of this variant. There is a slightly increased risk of bleeding in dogs with one copy of the variant, particularly when other clotting issues are also present. Please consult your veterinarian for further diagnostic and care options.

What is Von Willebrand Disease Type I, Type I vWD?

Von Willebrand Disease (vWD) is a type of coagulopathy, a disorder of blood clotting. vWD is characterized into three types based on clinical severity, serum levels of vWF, and vWF multimer composition. Dogs with Type I vWD have low vWF levels, normal multimer composition, and variable clinical signs.

Dilated Cardiomyopathy, DCM1

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Muffin inherited one copy of the variant we tested

How to interpret this result

Muffin has one copy of a variant in the PDK4 gene associated with increased risk for DCM in the American Doberman Pinscher. This variant, also referred to as DCM1, is inherited in a dominant manner, meaning having one or two copies of this variant is thought to confer the same amount of risk. However, the variant is thought to have incomplete penetrance: That is, not all dogs with this variant will ultimately show signs of DCM. Moreover, the impact of this variant in other breeds of dog besides the Doberman has yet to be fully understood. However, if your veterinarian thinks Muffin shows signs of having DCM based on their diagnostic testing, you now have the opportunity to discuss early treatment. Please consult with your veterinarian regarding a diagnostic and treatment plan for Muffin.

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.

Dilated Cardiomyopathy, DCM2

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Muffin inherited one copy of the variant we tested

How to interpret this result

Muffin has one copy of a variant in the TTN gene associated with increased risk for DCM in the American Doberman Pinscher. This variant, also referred to as DCM2, is inherited in a dominant manner, meaning having one or two copies of this variant is thought to confer the same amount of risk. However, the variant is thought to have incomplete penetrance: That is, not all dogs with this variant will ultimately show signs of DCM. Moreover, the impact of this variant in other breeds of dog besides the Doberman has yet to be fully understood. However, if your veterinarian thinks Muffin shows signs of having DCM based on their diagnostic testing, you now have the opportunity to discuss early treatment. Please consult with your veterinarian regarding a diagnostic and treatment plan for Muffin.

What is Dilated Cardiomyopathy, DCM2?

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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Deafness and Vestibular Syndrome of Dobermans, DVDob, DINGS (MYO7A)

Identified in Doberman Pinschers

Unilateral Deafness and Vestibular Syndrome (PTPRQ Exon 39, Doberman Pinscher)

Identified in Doberman Pinschers

Narcolepsy (HCRTR2 Intron 4, Doberman Pinscher Variant)

Identified in Doberman Pinschers

Ehlers Danlos (ADAMTS2, Doberman Pinscher Variant)

Identified in Doberman Pinschers

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 Muffin’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

B45

Map

B1

Muffin Tops’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.

B45

Muffin Tops’s Haplotype

Part of the large B1 haplogroup, this haplotype occurs most commonly in Yorkshire Terriers, Doberman Pinschers, Cocker Spaniels, and village dogs in Costa Rica.

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

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