at Locus (DNA marker – ASIP reference: Schmutz S and DL Dreger. A SINE Insertion Causes the Black-and-Tan and Saddle Tan Phenotypes in Domestic Dogs. Journal of Heredity 2011, 102(S1):S11-S18.) This color allele is associated with generating the commonly known phenotypes known as “tan points”, “phantom” and “tri-color” among several breeds. The inheritance and expression can vary depending on the breed.