How does the expression of Forssman antigen relate to the ABH blood group substances?

A Forssman antigen expression is directly proportional to ABH substance expression
B Forssman antigen expression is inversely related to ABH substance expression
C Forssman antigen expression is independent of ABH substance expression ✓
D Forssman antigen inhibits the expression of ABH substances

Explanation

The expression of Forssman antigen is independent of the ABH blood group substances, as Forssman antigen is a separate entity that can be present on red blood cells and other tissues.

Source

Textbooks on Transfusion Medicine
Hematology Hematology: Blood Grouping and Crossmatching Hematology: Blood Grouping and Crossmatching Medium MEDICAL Confidence: medium