The difference between brown and black coat color in dogs is caused by a mutation in the tyrp1 gene.
View Puppy Labra Dog Brown Colour
Pictures. The lovely labrador colors, from yellow to black to chocolate brown and even fox red, represent just one of the many wonderful things about the labrador retriever dog. Trying to work out what colours labrador puppies will be is difficult without knowing the parents' genotypes.
Labrador Colors - The Secrets of Labrador Color Inheritance from thehappypuppysite.com
A chocolate labrador retriever can vary in color from a medium brown coat through to a very dark brown. A brown puppy can have black parents, which in this case will be heterozygous (genotype bb. Chocolate labs tend to have more genetic health issues than their yellow or black siblings.
Each of these names for chocolate labs are related to the color brown, so they would all be fantastic for any chocolate labrador retriver!.
Each of these names for chocolate labs are related to the color brown, so they would all be fantastic for any chocolate labrador retriver!. Sometimes, the reason for your dog to vomit brown liquid is something as simple as the fact that they have ingested something that was brown in color. If there is pink or red in your dog's urine it could indicate current problems with any of the aforementioned causes of brown urine. The healthiest dogs will produce brown coloured poos that are the consistency of playdough.