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“Aloha”
Matilda King of Montenegro

American Staffordshire Terrier

No bio has been provided yet

Instagram tag
@ohanaamstaffs

Place of Birth

Montenegro

Current Location

Virginia, USA

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Registration

Fédération Cynologique Internationale (FCI):

Genetic Breed Result

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American Staffordshire Terrier

American Staffordshire Terriers are powerful but playful dogs that are both loyal and affectionate with their owners.

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Health Summary

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Aloha inherited one variant that you should learn more about.

Progressive Retinal Atrophy, crd4/cord1

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Aloha inherited one copy of the variant we tested

What does this result mean?

This variant should not impact Aloha’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. Aloha 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 Progressive Retinal Atrophy, crd4/cord1?

PRA-CRD4/cord1 is a retinal disease that causes progressive, non-painful vision loss over a 1-2 year period. The retina contains cells, called photoreceptors, that collect information about light and send signals to the brain. There are two types of photoreceptors: rods, for night vision and movement, and cones, for day vision and color. This type of PRA leads to early loss of cone cells, causing day blindness before night blindness.

Breed-Relevant Genetic Conditions

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Progressive Retinal Atrophy, crd1 (PDE6B, American Staffordshire Terrier Variant)

Identified in American Staffordshire Terriers

Urate Kidney & Bladder Stones (SLC2A9)

Identified in American Staffordshire Terriers

Neuronal Ceroid Lipofuscinosis, Cerebellar Ataxia, NCL4A (ARSG Exon 2, American Staffordshire Terrier Variant)

Identified in American Staffordshire Terriers

L-2-Hydroxyglutaricaciduria, L2HGA (L2HGDH, Staffordshire Bull Terrier Variant)

Identified in American Staffordshire 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

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Performance

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Through Aloha’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

A388

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A1a

Matilda King of Montenegro’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.

A388

Matilda King of Montenegro’s Haplotype

Part of the large A1a haplogroup, this haplotype occurs most frequently in Staffordshire Terriers, Labrador Retrievers, and English Bulldogs.

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

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