Figure 1. Layers of Skin. The skin is composed of two main layers: the epidermis, made of closely packed epithelial cells, and the dermis, made of dense, irregular connective tissue that houses blood vessels, hair follicles, sweat glands, and other structures.
Average Costs. The average costs of a dog DNA test are between $40 and $100. These are the fees charged if the DNA test is performed at a vet clinic. There are also DNA test kits for at home use, which can cost between $35 and $70, but some shipping fees will be extra.
Canine DNA Coat Color Testing. 1  DNA samples can be collected easily at home using buccal (cheek) swabs. 2  Dogs can be DNA tested at ANY age using the buccal swabs.  Test fee is $58 (US) per canine for the first locus test and $20 for each subsequent coat color locus tested at the same time of sample submission.