Question: Luminol, a chemical that exhibits chemiluminescence, is often used by forensic examiners to try and detect trace amounts of what?
Answer: A blood; Type O blood; AB blood; B type blood; 🆎; B blood; A type blood; O blood; Isohaemagglutinin; ABO system; AB0 blood group system; Abo blood type; Type A blood; ABO blood group system; ABO blood system; B antigen; AB0; H substance; ABO blood types; O type blood; ABO blood group; ABO blood groups; A and o; Isohemagglutinin; A antigen; ABO; blood; Substance H; ABO grouping; ABO phenotypes; ABO blood type; Type AB; 🅱; 🅰; Isohaemagglutinins; Blood type AB; Abo blood group; Abo blood-group system; 🅾