Tabby Cat Black And White. There may or may not be white fur on the face. There are various patterns of bicolor cat.

The four basic tabby patterns are due to two distinct gene loci the agouti gene locus with two alleles and the tabby locus with three alleles and one modifier spotted with two alleles. A bicolor cat or piebald cat is a cat with white fur combined with fur of some other color for example black or tabby. This white fur is caused by the white spotting gene s.
The russian black white and tabby are cat breeds created in 1971.
But the russian white was derived from the russian black and tabby. The four basic tabby patterns are due to two distinct gene loci the agouti gene locus with two alleles and the tabby locus with three alleles and one modifier spotted with two alleles. These breeds were derived from the russian blue cat so they all have the same physical characteristics apart from the coat color. Brown patched and white brown and white torbie as for brown patched but with white on the bib tummy and all four paws.