According to the national regulations, paternity test needs to fill in the judicial appraisal book. Judicial expertise has legal effect and can be recognized by courts, judicial organs and law firms. Then fill in the Application Form for DNA Entrusting Identification and the Power of Attorney, collect blood or blood mark samples, and enter the DNA testing procedure.

Paternity identification is an identification method that uses modern biotechnology and related technical means to extract and analyze any tissue samples of human body, such as blood, hair and oral epithelial cells, and finally determine the identity and blood relationship (mother/son, etc.) of the parties. Paternity appraisal can be divided into personal paternity appraisal and judicial paternity appraisal, among which the appraisal results of the latter are often used in public security, inspection, law, company and other fields, such as household registration, property distribution, visas for going abroad, litigation and so on.

Extended data

Deoxyribonucleic acid is an organic compound with complex molecular structure. As a component of chromosome, it exists in the nucleus. Its function is to store genetic information. DNA molecules are large and consist of nucleotides. Nitrogenous bases of nucleotide is adenine, guanine, cytosine and thymine; Pentose is deoxyribose.

DNA paternity used the theories and techniques of forensic medicine, biology and genetics to analyze the genetic characteristics and judge whether the relationship between parents and children is biological or not according to the similar characteristics of their offspring and parents in morphological structure or physiological function. DNA paternity: Also called paternity test, it is an important part of forensic material evidence examination.

References:

Baidu encyclopedia-deoxyribonucleic acid

Baidu Encyclopedia-DNA paternity