Check out a comprehensive listing and description of the various cat colors, with basic color terminology and color genetics.

Breeders can discover the basics of genetics, and use science to help improve their breed.

Project to map the canine genome discusses genetic disorders in dogs and provides specific gene sequences.

Long article indexed by sections discusses the need to reduce the incidence of inherited diseases.

Nonprofit mammalian research center in Maine has pre and postdoctoral study and internships in genetic engineering and biotechnology.

Cattery provides statistics on testing for this problem in persian cats worldwide, plus links.