The single brindle dogs will look exactly the same as the double brindle dogs. As is shown in the example on the left, the only possible genetic combination resulting from a cross of two fawn parents is a fawn puppy.Ģ5% Fawn (bb) - 50% Single Brindle (Bb) - 25% Double Brindle (BB) There seems to be some confusion on this, with people thinking that if the grandparents were brindle the puppies could be brindle. Note here that a fawn x fawn breeding can only produce fawn puppies. (Phenotypically refers to the way the puppy looks - the coat color that you see.)Īnother important note: While the actual distribution of genes in an individual litter may stray from the expected (i.e., a fawn x single brindle breeding may produce 100% fawn puppies), over a large number of litters the numbers will meet the expectations. Note that a brindle dog that carries only one brindle gene can produce fawn puppies, if it is paired with a dog that carries at least one fawn gene. The brindle gene is dominant, which means that any time a dog has even one brindle gene, it will be a brindle.īelow are the different genetic combinations that can occur in Boxers. The number of each gene a Boxer gets determines its coat color. There are two different genes for coat color - fawn and brindle. Sue Ann Bowling has written excellent articles on canine coat color genetics, basic genetics, and several other topics relevant to dog breeding.Įvery Boxer carries two coat color genes, inheriting one from each of its parents. The goal here is not to get into a thorough discussion of genetics. There are those who try to sell their "rare black" Boxers - however every one of these dogs that we have run across either does have some fawn on it, or is very obviously not a purebred Boxer. It is important to point out, however, that "black" brindles are still brindles - the Boxer does not carry the gene for a black coat color. The latter are often called "reverse", "seal", or "black" brindles. Brindling is influenced by what are called "modifiers", so the black stripes of a brindle can be sparse (but clearly defined) to so heavy that the fawn ground color barely shows through. Brindle is actually a stiping pattern, not a color - all brindle dogs have a fawn ground color. Fawn ranges from pale tan to dark deer-red (mahogany). There are two coat colors in Boxers, fawn and brindle. ~The Columbia Encyclopedia, Sixth Edition. Leads to a population expressing a combination of inherited traits that distinguishes Meritorious individuals from each generation to be the parents of the next. BreedersĬonserve desired characteristics and suppress undesirable ones by repeatedly selecting Progeny inherit genes for both desirable and undesirable traits from both parents. Coat Color and Marking Pattern Inheritance in Boxers - A Newcastle Boxers Essay
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