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Rex

Mixed Ancestry

  • Rex, an American Pit Bull Terrier and Chihuahua mix tested with EmbarkVet.com Rex, an American Pit Bull Terrier and Chihuahua mix tested with EmbarkVet.com
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“I was born looking like a little old man, I stretch like a cat, I sleep like a baby, but they tell me I'm a dog...just doesn't make sense. I'm just a crazy kid living my best life.”

Place of Birth

Healdsburg, California, USA

From

Healdsburg, California, USA

This dog has been viewed and been given 1 wag

Genetic Breed Result

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American Pit Bull Terrier

The American Pit Bull Terrier originated in the British Isles and descends from the Mastiff-type dogs introduced to England in antiquity. The breed was brought over to the United States by English immigrants in the 1800s, and quickly became one of the most popular and widespread breeds there.

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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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Poodle (Small)

A highly intelligent and playful dog, Miniature and Toy Poodles make for great lap dogs and companions.

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Shih Tzu

This ancient breed is the perfect lapdog. Sweet and easygoing, they want nothing more than to be close to their humans.

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American Bulldog

American bulldogs are enjoying a healthy increase in popularity, either as a working/protector dog or as a family pet. All over the world, they are used variously as "hog dogs" (catching escaped pigs or hunting razorbacks), as cattle drovers and as working or sport K-9s. American Bulldogs also successfully compete in several dog sports such as dog obedience, Iron Dog competition and weight pulling.

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Dogs Like Rex

Venn diagram

Discover dogs who share a similar breed mix to Rex. A higher score means the two dogs have more of their breed mix in common. A score of 100% means they share the exact same breed mix!

Click or tap on a pic to learn more about each dog and see an in-depth comparison of their DNA, breeds, and more.

DNA Breed Origins

Breed colors:
American Pit Bull Terrier
Chihuahua
Poodle (Small)
Shih Tzu
American Bulldog

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Here’s what Rex’s family tree may have looked like.
Rex
Family Tree From Embark PARENTS GRANDPARENTS GREAT GRANDPARENTS American Pit Bull Terrier mix Chihuahua mix American Pit Bull Terrier American Pit Bull Terrier / American Bulldog mix Chihuahua Poodle (Small) / Shih Tzu mix American Pit Bull Terrier American Pit Bull Terrier American Pit Bull Terrier American Bulldog mix Chihuahua Chihuahua Poodle (Small) Shih Tzu mix
While there may be other possible configurations of his family’s relationships, this is the most likely family tree to explain Rex’s breed mix.

Breed Reveal Video

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Traits

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 Rex’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

A1a

Haplotype

A388

Map

A1a

Rex’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

Rex’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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Through Rex’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

B

Haplotype

H15.7

Map

B

Rex’s Haplogroup

B is a relatively rare paternal line that has only recently started to expand. The dominant lineage among the ancient Shih Tzu breed, it is also found among Tibetan Spaniels. Outside of these two breeds, B seems to be a particularly common paternal line among the village dogs of India and Southeast Asia, though it is found as far afield as Africa and down into Oceania. Considering that it is particularly diverse in northern India, it could be that this lineage hung out mostly in South Asia after the expansion of domestic dogs from Central Asia. Because it is present in Mongolia as well, it may not be surprising that ancient East Asian dog breeds are also part of this lineage. Alternatively, perhaps males representing this lineage headed north out of southern Eurasia, which eventually gave rise to the Shih Tzu and may have inspired stylistic representations of lions in ancient China!

H15.7

Rex’s Haplotype

Part of the B haplogroup, this haplotype has been found in village dogs in Qatar and India. Unlike most other haplotypes within the B haplogroup, we do see this in a select few breed dogs. Specifically, it occurs in the Shih Tzu and Tibetan Spaniel.

The B Haplogroup is most commonly found the adorable Shih Tzu breed.

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