Biological testing material

Materia do bada

The sample for family relationship testing is a simple and pain-free buccal smear. There is no need for blood taking as DNA sequence found in cells of oral cavity mucous membrane is identical with the DNA in blood cells. Buccal smear is a perfect source of considerable amount of DNA needed for family relationship testing.
When genetic identification involves microtraces the sample genetic material could be a uprooted hair, visible and dry stain of blood or sperm or other substance of human origin, a used up tissue, soother, toothbrush and etc.