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Shadow

Yorkshire Terrier

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“We adopted Shadow on 02/25/2009 from a breeder in Los Angeles, at 8-9 weeks old. He was part of a larger litter but most of his siblings were adopted before him, except for a sister that accompanied him the day we got him. It would be nice to reconnect with any of his siblings. Anyone who meets Shadow always remarks on his unusually large size for a Yorkie (he's 14-15 lbs). There were doubts about his purebred background, and we thought he was likely mixed. Turns out the breeder was right”

Current Location

Los Angeles, California, USA

From

Los Angeles, California, USA

This dog has been viewed and been given 3 wags

Genetic Breed Result

Shadow

Shadow

Yorkshire Terrier
100.0% Yorkshire Terrier

Yorkshire Terrier

Petite but proud, the Yorkshire terrier is a popular toy breed with a silky, low-shedding coat.

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Genetic Stats

Wolfiness

0.3 % LOW

Predicted Adult Weight

11 lbs

Genetic Age
81 human years

Based on the date of birth provided

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Breed Reveal Video

Our algorithms predict this is the most likely family tree to explain Shadow’s breed mix, but this family tree may not be the only possible one.

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Health Summary

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Shadow inherited two variants that you should learn more about.

And one variant that you should tell your vet about.

Degenerative Myelopathy, DM

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Shadow inherited one copy of the variant we tested

What does this result mean?

This result does not impact your dog’s health. It could have consequences for siblings or other family members, and you should let them know if you are in contact with them.

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.

Dilated Cardiomyopathy, DCM1

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Shadow inherited one copy of the variant we tested

What does this result mean?

Our research indicates that this genetic variant is not likely to increase the risk that Shadow will develop this disease.

Scientific Basis

Dogs with similar breeds to Shadow are not likely to have increased risk of developing the disease. Research has indicated increased risk in other breeds that are not found in Shadow.

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.

ALT Activity

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Shadow inherited both copies of the variant we tested

Why is this important to your vet?

Shadow has two copies of a variant in the GPT gene and is likely to have a lower than average baseline ALT activity. ALT is a commonly used measure of liver health on routine veterinary blood chemistry panels. As such, your veterinarian may want to watch for changes in Shadow's ALT activity above their current, healthy, ALT activity. As an increase above Shadow’s baseline ALT activity could be evidence of liver damage, even if it is within normal limits by standard ALT reference ranges.

What is ALT Activity?

Alanine aminotransferase (ALT) is a clinical tool that can be used by veterinarians to better monitor liver health. This result is not associated with liver disease. ALT is one of several values veterinarians measure on routine blood work to evaluate the liver. It is a naturally occurring enzyme located in liver cells that helps break down protein. When the liver is damaged or inflamed, ALT is released into the bloodstream.

Breed-Relevant Genetic Conditions

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Progressive Retinal Atrophy, prcd

Identified in Yorkshire Terriers

Primary Lens Luxation

Identified in Yorkshire Terriers

Additional Genetic Conditions

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

Base Coat Color

Base Coat Color

Dark or Light Fur
E (Extension) Locus
Can have dark fur
Dark brown pigment
Cocoa
No impact on fur and skin color
Red Pigment Intensity LINKAGE
I (Intensity) Loci
Any light fur likely yellow or tan
Brown or Black Pigment
B (Brown) Locus
Black or gray fur and skin
Color Dilution
D (Dilute) Locus
Dark (non-dilute) fur and skin
Coat Color Modifiers

Coat Color Modifiers

Hidden Patterning
K (Dominant Black) Locus
More likely to have patterned fur
Body Pattern
A (Agouti) Locus
Black/Brown and tan coat color pattern
Facial Fur Pattern
E (Extension) Locus
Can have black masking (dark facial fur)
Saddle Tan
Likely saddle tan patterned
White Spotting
S (White Spotting) Locus
Likely to have little to no white in coat
Roan LINKAGE
R (Roan) Locus
Likely no impact on coat pattern
Merle
M (Merle) Locus
Unlikely to have merle pattern
Harlequin
No impact on coat pattern
Other Coat Traits

Other Coat Traits

Furnishings LINKAGE
Likely furnished (mustache, beard, and/or eyebrows)
Coat Length
Likely short or mid-length coat
Shedding
Likely light shedding
Coat Texture
Coat would likely be curly or wavy if long
Hairlessness (Xolo type) LINKAGE
Very unlikely to be hairless
Hairlessness (Terrier type)
Very unlikely to be hairless
Oculocutaneous Albinism Type 2 LINKAGE
Likely not albino
Other Body Features

Other Body Features

Muzzle Length
Likely medium or long muzzle
Tail Length
Likely normal-length tail
Hind Dew Claws
Unlikely to have hind dew claws
Back Muscling & Bulk (Large Breed)
Likely normal muscling
Eye Color LINKAGE
Less likely to have blue eyes
Body Size

Body Size

Body Size 1
Smaller
Body Size 2
Intermediate
Body Size 3
Larger
Body Size 4
Smaller
Body Size 5
Larger
Performance

Performance

Altitude Adaptation
Normal altitude tolerance
Appetite LINKAGE
Normal food motivation
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Through Shadow’s mitochondrial DNA we can trace his mother’s ancestry back to where dogs and people first became friends. This map helps you visualize the routes that his ancestors took to your home. Their story is described below the map.

Haplogroup

A1d

Haplotype

A271

Map

A1d

Shadow’s Haplogroup

This female lineage can be traced back about 15,000 years to some of the original Central Asian wolves that were domesticated into modern dogs. The early females that represent this lineage were likely taken into Eurasia, where they spread rapidly. As a result, many modern breed and village dogs from the Americas, Africa, through Asia and down into Oceania belong to this group! This widespread lineage is not limited to a select few breeds, but the majority of Rottweilers, Afghan Hounds and Wirehaired Pointing Griffons belong to it. It is also the most common female lineage among Papillons, Samoyeds and Jack Russell Terriers. Considering its occurrence in breeds as diverse as Afghan Hounds and Samoyeds, some of this is likely ancient variation. But because of its presence in many modern European breeds, much of its diversity likely can be attributed to much more recent breeding.

A271

Shadow’s Haplotype

Part of the large A1d haplogroup, this haplotype occurs most commonly in Yorkshire Terriers, English Springer Spaniels, and village dogs in Colombia.

Some other Embark dogs with this haplotype:

The vast majority of Rottweilers have the A1d haplogroup.

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Through Shadow’s Y-chromosome we can trace his father’s ancestry back to where dogs and people first became friends. This map helps you visualize the routes that his ancestors took to your home. Their story is described below the map.

Haplogroup

A1a

Haplotype

H1a.26

Map

A1a

Shadow’s Haplogroup

Some of the wolves that became the original dogs in Central Asia around 15,000 years ago came from this long and distinguished line of male dogs. After domestication, they followed their humans from Asia to Europe and then didn't stop there. They took root in Europe, eventually becoming the dogs that founded the Vizsla breed 1,000 years ago. The Vizsla is a Central European hunting dog, and all male Vizslas descend from this line. During the Age of Exploration, like their owners, these pooches went by the philosophy, "Have sail, will travel!" From the windy plains of Patagonia to the snug and homey towns of the American Midwest, the beaches of a Pacific paradise, and the broad expanse of the Australian outback, these dogs followed their masters to the outposts of empires. Whether through good fortune or superior genetics, dogs from the A1a lineage traveled the globe and took root across the world. Now you find village dogs from this line frolicking on Polynesian beaches, hanging out in villages across the Americas, and scavenging throughout Old World settlements. You can also find this "prince of patrilineages" in breeds as different as German Shepherds, Golden Retrievers, Pugs, Border Collies, Scottish Terriers, and Irish Wolfhounds. No male wolf line has been as successful as the A1a line!

H1a.26

Shadow’s Haplotype

Part of the A1a haplogroup, this haplotype occurs most frequently in mixed breed dogs.

Some other Embark dogs with this haplotype:

Dogs with A1a lineage travelled during European Colonial times.

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