How does the expression of Forssman antigen relate to the ABH blood group system?
A
It is an independent antigen system unrelated to ABH
B
It is a precursor in the biosynthesis pathway of ABH antigens
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C
Its expression is inhibited by the presence of A or B antigens
D
It can be used as a marker for certain cell types but is not directly related to ABH
Explanation
The Forssman antigen is involved in the biosynthetic pathway leading to the formation of ABH blood group antigens, serving as a precursor molecule.
Source
Textbook of Immunohematology
Hematology
Hematology: Blood Grouping and Crossmatching
Hematology: Blood Grouping and Crossmatching
Medium
MEDICAL
Confidence: medium
