Per contra , since the serum of group AB cannot But it does provide a simpler basis for paternity tests than OAB classification . परंतु पितृत्व के लिए किये जाने वाले परींक्षणों के लिए इस वर्गीकरण से एक आसान विधि उपलब्ध हो जाती है.औआभ् वर्गीकरण की तुलना में यह विधि अधिक सरल है .
परिभाषा
a test based on blood groups to determine whether a particular man could be the biological father of a particular child; negative results prove he was not the father but positive results show only that he could be