Examlex
Which of the following have microscopically small gametophytes?
Anti-A Sera
A serum containing antibodies against A antigen, used in blood typing to identify blood group A.
Anti-B Sera
A type of antiserum used in blood typing that contains antibodies targeting the B antigen found on red blood cells.
Rh Factor
A type of protein on the surface of red blood cells that indicates the presence (+) or absence (-) of the Rh antigen, important in determining blood compatibility.
AB Positive
A blood type characterized by the presence of both A and B antigens on the surface of red cells and no antibodies in the plasma, making it the universal recipient type.
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