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“Fiddle”
Fiddlefigg's Fiddle Mia Tune

Chihuahua

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Registration

American Kennel Club (AKC): TS49937301

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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Changes to this dog’s profile
  • On 5/7/2024 changed handle from "sfcsfiddlemiatune" to "fiddlefiggsfiddlemiatune"
  • On 5/7/2024 changed name from "Sfc's Fiddle Mia Tune" to "Fiddlefigg's Fiddle Mia Tune"

Health Summary

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Fiddle inherited one variant that you should learn more about.

Proportionate Dwarfism

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Fiddle inherited one copy of the variant we tested

What does this result mean?

This variant should not impact Fiddle’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. Fiddle 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 Proportionate Dwarfism?

Embark’s data suggests that this variant in the GH1 gene may contribute to a smaller body size. The original publication predicts this is due to a growth hormone (GH) deficiency. However, adult body size is influenced by several different genetic variants. Other changes noted by the publication, including retained baby teeth, persistent puppy-like coats, and low blood sugar have been occasionally reported by owners of dogs with two copies of this variant. These changes may or may not be associated with this variant.

Breed-Relevant Genetic Conditions

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Progressive Retinal Atrophy, prcd (PRCD Exon 1)

Identified in Chihuahuas

Progressive Retinal Atrophy, crd4/cord1 (RPGRIP1)

Identified in Chihuahuas

Neuronal Ceroid Lipofuscinosis 7, NCL 7 (MFSD8, Chihuahua and Chinese Crested Variant)

Identified in Chihuahuas

Spinocerebellar Ataxia with Myokymia and/or Seizures (KCNJ10)

Identified in Chihuahuas

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

Identified in Chihuahuas

Congenital Cornification Disorder (NSDHL, Chihuahua Variant)

Identified in Chihuahuas

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

Performance

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Through Fiddle’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

A1d

Haplotype

A425

Map

A1d

Fiddlefigg's Fiddle Mia Tune’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.

A425

Fiddlefigg's Fiddle Mia Tune’s Haplotype

Part of the A1d haplogroup, the A425 haplotype occurs most commonly in Greater Swiss Mountain Dogs. It's a rare find!

The vast majority of Rottweilers have the A1d haplogroup.

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

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