Dog Coat Colours

The E-Locus is a region of your dog's DNA which controls whether your dog will only express the yellow pigment or whether they can express any of t...

The K-Locus is a region of your dog's DNA which controls whether your dog has a solid coat colour. The K-Locus has three alleles with an order of d...

Three alleles are tested: Bs, Bd and Bc. The B-Locus is a region of your dog's DNA which controls whether your dog has a brown coat colour. The reg...

The A-Locus is a region of your dog's DNA that causes your dog's fur pattern to be fawn, sable, black and tan, or recessive black. The region has f...

The D-locus is a region of your dog's DNA which controls whether your dog will have a diluted coat colour. This is not a colour in itself, but will...

The S-Locus is a region of your dog's DNA which determines whether they will have any patches of white spotting or a largely white coat. The white ...

The M-Locus controls Merle colouring, which is a dominant trait. For some breeds such as Shetland Sheepdog, Australian Shepherd, Cardigan Welsh Cor...

The L-Locus is a region of your dog's DNA which controls whether they will have long hair like a Golden Retriever, or short hair like a Labrador Re...

The IC-Locus is a region of your dog's DNA which controls whether your dog will have longer hair around the eyebrows and muzzle known as facial fur...

The T-Locus is a region of your dog's DNA which determines whether they have a genetic bobtail (tailless) or not. The bobtail is caused by a mutati...

The I-Locus is a region of your dog's DNA which controls the intensity of colour of the phaeomelanin or yellow/red pigment which is expressed throu...

The Co-Locus is a region of your dog's DNA which controls a brown/chocolate coat colour present in French Bulldogs known as cocoa. The cocoa colour...

A-Locus B-Locus (bs, bd, bc alleles) CoCo D-Locus E-Locus I-Locus K-Locus L-Locus S-Locus Merle This comprehensive testing package covers all the...

A-Locus (fawn, black-and-tan, sable, recessive black) B-Locus ("testable chocolate". Bs, Bc and Bd alleles) CoCo (previously "untestable chocolate...

B-Locus (Chocolate) E-Locus (Yellow) D-Locus (Dilute/Silver)