Venn diagram

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Katie

Cocker Spaniel

“She was an owner surrender and stayed at the rescue group's vet for 6 months. She was surrendered covered with infected warts and ears infected too. They said they could smell the horrible stench before she even got in the door. They guess she is 12 years old. She is FULL of energy! She is learning to trust and love again - and what it is like to have a loving home.”

This dog has been viewed and been given 1 wag

Genetic Breed Result

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Cocker Spaniel

Cocker Spaniels are handsome and intelligent hunting dogs that are also well-suited to life as a loving family pet.

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Here’s what Katie’s family tree may have looked like.
While there may be other possible configurations of her family’s relationships, this is the most likely family tree to explain Katie’s breed mix.
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Through Katie’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

A4

Haplotype

A65

Map

A4

Katie’s Haplogroup

The A4 maternal lineage is fairly rare. It is found in Cocker Spaniels, but A4 is also represented well among East Asian breeds including the Chinese Crested Dog, Shar-Pei and Shih Tzu. Moving away from Asia, it is also found among Chihuahuas (a very old breed!) and village dogs in Peru. This may be a lineage that moved into Western breeds because of their owners' tendencies to mix them up with Eastern breeds in the early modern period.

A65

Katie’s Haplotype

Part of the small A4 haplogroup, we see this haplotype in Central and South America, specifically Mexico and Peru. Among breeds, it is most common in Cocker Spaniels, Chinese Shar Peis, and Shih Tzus.

The popular Chihuahua breed descends from the A4 maternal line.

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

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