Coat Colour Dominant White 3 P592

59,90 €

Background

During the last decades, a large number of scientific publications have described the genetic principles of coat colour and coat variation. Coat colours and coat variations are influenced by many hereditary factors. The DNA-tests are based on physiological effects in the body, in which the production and distribution of pigments result in many coat colour variants. In several cases, the coat colour of an animal may only be decided using DNA-tests. White patterning in horses is known as Dominant White or White. Dominant White patterns are variable, ranging from minimal Sabino-like spotting to all-white horses. The eye colour of Dominant White horses is brown. There are about 20 different mutations identified that are associated with white patterns, all mutations are found in the KIT gene. Except for W20, most of the known Dominant White mutations arose recently and are restricted to specific lines within breeds. The Coat Colour Dominant White 3 test (P592) tests for the mutation known as W20 in the KIT gene. This test detects two variants (alleles). The allele W20 is dominant. One or two copies of the W20 allele have a subtle effect on the amount of white expressed. It appears to increase the expression of white in combination with other white pattern genes. The allele N is recessive and does not have an effect on the basic colour.

Test specific information

Since 2015, two brands have been developed. CombiGen? is mainly directed at veterinarian applications, whereas CombiBreed? is mainly directed at breeders and/or owners.Detailed information about Coat Colours and Coat Variation is presented at www.pharmaDNA.com.

Age

Most coat colours and coat types are usually visible directly after birth.

Throughput

Normally the result can be expected within 15 working days. This turn-around-time starts when both the sample and the fully filled-out and signed submission form have been received.

Location of disease or trait

Genetic factors influencing coat colours and coat types are usually visible on the outside of an individual. Several factors may be hidden by the external variation.

Breed dependence

For this test samples from all breeds are accepted.

Sample type

For this DNA test we accept the following materials: Blood EDTA, Blood Heparin, Semen, Hair, Tissue. Please contact PharmaDNA if you wish to submit other material as listed.

Result

Coat colours are based on many genetic factors. For each factor, a separate test result will be returned.

Inheritance

Various genetic factors influencing coat colour and coat types are inherited in a dominant or recessive mode. Coat colours are influenced by a large number of genetic factors.

Severity of Disease

Factors influencing coat colour and coat types are usually not related to diseases.

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