Coloration in French Bulldogs is determined by various genes that control the production and distribution of pigments. Both pink and albino French Bullodogs have genetic mutations that affect the normal pigmentation process.
A Isabella French Bulldog, also known as a “dilute” or “Isabella” in some breeds, has a lighter coat color due to a dilution gene. The specific genetic breakdown of a pink Frenchie can vary depending on the breed, but it generally involves a mutation in the melanophilin (MLPH) gene. This mutation affects the transportation of pigment within the hair shaft, resulting in a lighter coloration. Other genes, such as those involved in eumelanin (black/brown pigment) and phaeomelanin (red/yellow pigment) production, can also influence the overall color of a dog.
On the other hand, albino French Bulldogs have a complete absence or severe reduction of pigment in their hair, skin, and eyes. This condition is caused by a genetic mutation affecting the production of melanin, the pigment responsible for coloration. Albino animals typically have pink skin, white or very light-colored fur, and pale or unpigmented eyes. The specific genetic mutations that lead to albinism in dogs can vary, but they often involve genes responsible for melanin production, such as the Tyrosinase (TYR) gene.
It’s important to note that albino French Bulldogs are relatively rare, and their genetic makeup can vary depending on the specific breed and individual mutations involved. Genetic testing is the most accurate way to determine the specific genetic breakdown of a pink or albino dog.