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Rylie

Chihuahua

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“Adopted from Lucky Paws 1/11/20. Rylie loves exploring near and far, playing with her squirrel, snacking on apples & carrots, doing puzzles, and lounging on the couch to name a few.”

Place of Birth

San Jose, California, USA

Current Location

Oregon, USA

From

Lucky Paws Rescue, Laura Street, Springfield, Ore, USA

This dog has been viewed and been given 26 wags

Registration

Microchip: 985112008202292

Genetic Breed Result

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Chihuahua

Chihuahuas have a huge personality that defies their tiny frame, known to be highly active and intelligent canines.

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Genetic Stats

Wolfiness

0.3 % LOW

Predicted Adult Weight

6 lbs

Genetic Age
58 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 Rylie’s breed mix, but this family tree may not be the only possible one.

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Health Summary

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Rylie is at increased risk for one genetic health condition.

Intervertebral Disc Disease (Type I)

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Rylie inherited one copy of the variant we tested

How to interpret this result

Rylie has one copy 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.

Breed-Relevant Genetic Conditions

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Progressive Retinal Atrophy, prcd

Identified in Chihuahuas

Progressive Retinal Atrophy, crd4/cord1

Identified in Chihuahuas

Neuronal Ceroid Lipofuscinosis 7, NCL 7

Identified in Chihuahuas

Spinocerebellar Ataxia with Myokymia and/or Seizures

Identified in Chihuahuas

Additional Genetic Conditions

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Clinical Tools

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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 Rylie’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

C1

Haplotype

C37

Map

C1

Rylie’s Haplogroup

Congratulations, C1 is a very exotic female lineage! It is more closely associated with maternal lineages found in wolves, foxes and jackals than with other dog lineages. So it seems dogs in this group have a common male dog ancestor who, many thousands of years ago, mated with a female wolf! This is not a common lineage in any breed, though a good number of German Shepherds and Doberman Pinchers are C1. It is also found in breeds as diverse as Peruvian Inca Orchids and Pekingese; it is rarely found amongst Labrador Retrievers, Border Collies, Siberian Huskies, or Cocker Spaniels. Despite its fascinating origins, it is widely distributed around the globe, and even shows up frequently among Peruvian village dogs. It almost certainly survived at low frequency in Europe for millennia and then was dispersed outside of Europe by colonialism, though not as successfully as some other lineages.

C37

Rylie’s Haplotype

Part of the C1 haplogroup, this haplotype occurs most frequently in German Shepherd Dogs, Siberian Huskies, and English Cocker Spaniels.

Some other Embark dogs with this haplotype:

The C1 maternal line is commonly found in Jackals.

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

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