ABSTRACT Informed consent is essential for both private and criminal law cases to protect and keep them away from risk or harm. This includes any kind of treatment and biological samples taken for investigation. Regarding forensic genetics, physical examination or taking samples of individuals are mentioned in Articles 75-77 of the Criminal Procedure Law numbered 5271, as well as in the regulation of the same law under the topic of “physical and genetic examinations” in Turkish legislation. These examinations, in mention, have no potential risk or harm to the person, the principal goal being identification through the use of genetic principles.