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Merle is a genetic pattern in a dog 's coat and alleles of the PMEL gene. It results in different colors and patterns and can affect any coats. The allele creates mottled patches of color in a solid or piebald coat, blue or odd-colored eyes, and can affect skin pigment as well. Two types of colored patches generally appear in a merle coat ...
Dog coat genetics. Dogs have a wide range of coat colors, patterns, textures and lengths. [1] Dog coat color is governed by how genes are passed from dogs to their puppies and how those genes are expressed in each dog. Dogs have about 19,000 genes in their genome [2] but only a handful affect the physical variations in their coats.
Catahoula bitch with litter showing a wide variety of coat colors A "blue leopard" Catahoula Leopard Catahoula Leopard Dog, color red & white. Catahoulas come in many different colors, including blue merle, red merle, brindle, and solid colors. Often, solid coat Catahoulas have small splashes of other colors such as white on their face, legs or ...
A piebald or pied animal is one that has a pattern of unpigmented spots (white) on a pigmented background of hair, feathers or scales. Thus a piebald black and white dog is a black dog with white spots. The animal's skin under the white background is not pigmented. Location of the unpigmented spots is dependent on the migration of melanoblasts ...
Labrador Retrievers are a popular dog breed in many countries. There are three recognised colours, black, chocolate, and yellow, [1] that result from the interplay among genes that direct production and expression of two pigments, eumelanin (brown or black pigment) and pheomelanin (yellow to red pigment), in the fur and skin of the dog.
Black and white Border Collie: Blenheim (Red-brown and white) Cavalier King Charles Spaniel: Piebald or pied (also called bicolor, tricolor, Irish spotted, Flashy, Patched, Tuxedo): any color or pattern coupled with white spotting. This can range anywhere from white toes and tail tip to a mostly white dog with color around the base of the ears ...
Heterochromia iridum. Heterochromia is a variation in coloration most often used to describe color differences of the iris, but can also be applied to color variation of hair [1] or skin. Heterochromia is determined by the production, delivery, and concentration of melanin (a pigment). It may be inherited, or caused by genetic mosaicism ...
The coat could also be described as a yellow, orange, copper-brown color, russet gold, and dark sandy gold. Solid, dark, mahogany red and pale yellow are considered faults and a disqualification in competitions. Small areas of white on the fore-chest, neck, or tail are permissible [10] but not preferred. Some variations in the Vizsla coat color ...