Question

multiple choice their plasma contains rh antigens. the rh antigens are present in the plasma, but not on the red blood cells. their red blood cells lack the rh antibodies their red blood cells lack the rh antigens.

Explanation:

Rh - negative individuals are defined by the absence of Rh antigens on their red - blood cells. Antigens are typically found on the surface of red blood cells, not in the plasma. Antibodies are produced in response to antigens and are not related to the classification of Rh - negativity in terms of the presence or absence of antigens on red blood cells.

Answer:

Their red blood cells lack the Rh antigens.