ROTTIE DUPE 👀🧬 Yes—that’s a registered Labrador Retriever. Both Black and Tan and Brindle Labs have been documented for many years. So, how does this atypical phenotype happen? In the coat color hierarchy, E is the King, K is the prince and heir apparent, A is the Duke that wishes it was the King. 👑 If the E locus is e/e in Labs, the dog is a yellow Lab and K and A are not expressed, so you don’t see them. If there is one “E” at the E locus and at least one ‘KB’ at the K locus, the K locus is