Australian Shepherd - Red Versus Black - Describes the gene responsible for black and red colors in Australian Shepherds.

B/b E/e and Beyond - A Detailed Examination of Coat Color Genetics in the Labrador Retriever.

Coat Color Inheritance in the Labrador Retriever - Describes inheritance of the Brown (B) and Extension (E) genes in this breed with interactive illustrated mating chart.

Doberman Pinscher Color Inheritance Chart - Mating chart showing all color combinations possible according to the Blue Dilution (D) and Brown (B) genes for this breed.

VetGen - DNA testing for von Willebrands disease and color gene testing for presence of e and b alleles. Also mating charts for Schipperke and Labradors.

Wing-N-Wave Labradors Genetics - Introduction to coat color genetics of the Labrador including a detailed list of all recognized color genotypes and their corresponding phenotypes including Agouti (A) and Brown (B) series.