What is the significance of the Hh blood group system in relation to the ABO blood group system?

A It provides an additional antigen for blood typing
B It influences the secretion of ABO antigens in bodily fluids
C It determines the presence of anti-A and anti-B antibodies
D It affects the expression of ABO antigens on red blood cells
The Hh blood group system is related to the ABO blood group system because the H antigen is a precursor to the A and B antigens, and individuals with certain Hh phenotypes may have altered ABO antigen expression.
Modern Blood Banking and Transfusion Practices
Hematology Hematology: Blood Grouping and Crossmatching Hematology: Blood Grouping and Crossmatching Medium MEDICAL Confidence: high