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“Mazzi”
A & A's Sirius Overdriven Memory

Chihuahua

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Registration

AKC: TS42237001
Microchip: 956000010237176

Genetic Breed Result

Chihuahua

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

Predicted Adult Weight

4 lbs

Genetic Age
27 human years

Based on the date of birth provided

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Health Summary

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Good news!

Mazzi is not at increased risk for the genetic health conditions that Embark tests.

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

Additional Genetic Conditions

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Clinical Tools

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

Coat Color

Coat Color

E Locus (MC1R)
No dark mask or grizzle (Ee)
K Locus (CBD103)
More likely to have a patterned haircoat (kyky)
Intensity Loci LINKAGE
Any light hair likely white or cream (Dilute Red Pigmentation)
A Locus (ASIP)
Black/Brown and tan coat color pattern (atat)
D Locus (MLPH)
Dark areas of hair and skin are not lightened (Dd)
B Locus (TYRP1)
Black or gray hair and skin (BB)
Saddle Tan (RALY)
Likely saddle tan patterned (NI)
S Locus (MITF)
Likely solid colored, but may have small amounts of white (Ssp)
M Locus (PMEL)
No merle alleles (mm)
H Locus (Harlequin)
No harlequin alleles (hh)
Other Coat Traits

Other Coat Traits

Furnishings (RSPO2) LINKAGE
Likely unfurnished (no mustache, beard, and/or eyebrows) (II)
Coat Length (FGF5)
Likely short or mid-length coat (GT)
Shedding (MC5R)
Likely heavy/seasonal shedding (CC)
Hairlessness (FOXI3) LINKAGE
Very unlikely to be hairless (NN)
Hairlessness (SGK3)
Very unlikely to be hairless (NN)
Oculocutaneous Albinism Type 2 (SLC45A2) LINKAGE
Likely not albino (NN)
Coat Texture (KRT71)
Likely straight coat (CC)
Other Body Features

Other Body Features

Muzzle Length (BMP3)
Likely medium or long muzzle (AC)
Tail Length (T)
Likely normal-length tail (CC)
Hind Dewclaws (LMBR1)
Unlikely to have hind dew claws (CC)
Blue Eye Color (ALX4) LINKAGE
Less likely to have blue eyes (NN)
Back Muscling & Bulk, Large Breed (ACSL4)
Likely normal muscling (CC)
Body Size

Body Size

Body Size (IGF1)
Smaller (II)
Body Size (IGFR1)
Larger (GG)
Body Size (STC2)
Smaller (AA)
Body Size (GHR - E191K)
Smaller (AA)
Body Size (GHR - P177L)
Smaller (TT)
Performance

Performance

Altitude Adaptation (EPAS1)
Normal altitude tolerance (GG)
Appetite (POMC) LINKAGE
Normal food motivation (NN)
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Through Mazzi’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

A247

Map

A1d

A & A's Sirius Overdriven Memory’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.

A247

A & A's Sirius Overdriven Memory’s Haplotype

Part of the large A1d haplogroup, this common haplotype occurs in village dogs all over the world. Among the 32 breeds we have sampled it in, the most common occurrences include Boxers, Labrador Retrievers, and Papillons.

Some other Embark dogs with this haplotype:

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

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