What procedures does Hefei need to go through to do dna paternity?

Hello, only the knot made by the formal judicial appraisal recognized by the state can be protected by law. The general procedure is as follows: submit the paternity test samples to the laboratory, and individual paternity test can choose to send samples or mail samples; Judicial paternity test, the appraiser carries a valid identity document to handle it in person. Samples that can be used in DNA paternity include oral samples, blood stains, blood, hair with hair follicles, etc. Special samples such as semen spots and semen can also be used.