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Hair length is an important morphological trait for most dog breeds.

10 working days

Only available in bundles



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Swab, Blood EDTA, Blood Heparin, Semen, Tissue

Mode of Inheritance


Year Published

General information

Hair length is an important morphological trait for most dog breeds. The breed standard often allows only one specific hair length for the majority of registered dog breeds. Although long hair is inherited as a recessive trait in different dog breeds, the length of long hair is variable depending on the breed. In dogs and other mammals, fibroblast growth factor 5 (FGF5) is the mutant gene that leads to the long-hair phenotype.

Clinical features

Long-haired phenotype among dogs of different breeds.

Additional information

The phenotype is subject to allelic heterogeneity, i.e. several different mutations on this gene can cause the same trait. Therefore, a dog that tests as Shorthaired or Carrier for this specific mutation can still turn out to have the Long-Haired phenotype.


Pubmed ID: 23384345

Omia ID: 439

How does it work?

1. Select your product(s)

Select your single test, a CombiBreed Package or create your own Bundle.

2. Collect DNA sample

Collect DNA material as indicated with our products and send it to our laboratory.

3. Results

We handle your DNA sample with care and provide you with the results.

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