random amplified polymorphic deoxyribonucleic acid

ran·dom am·pli·fied pol·y·mor·phic de·ox·y·ri·bo·nu·cle·ic ac·id

(RAPD) (ran'dŏm amp'li-fīd pol'ē-mōr'fik dē-ok'sē-rī'bō-nū-klē'ik as'id) An amplified strain-typing procedure that uses primers with random sequences that anneal to random chromosomal DNA sequences of the strain of interest.