DNA paternity testing is generally more than$3,000, with prices varying from place to place, and is primarily a genetic way of determining whether paternity and maternity are normal. The DNA paternity test has been practiced for many years and is very accurate, and should be performed under the guidance of a doctor through relevant blood draws, but also special ones through hair, saliva, and even nails, amniotic fluid, and These can all be used as specimens for identification.