What is the term for the condition where an individual's red blood cells have a decreased expression of the H antigen, leading to weakened A and B antigen expression?

A Bombay phenotype ✓
B Rh null phenotype
C Kell negative phenotype
D Duffy negative phenotype

Explanation

The Bombay phenotype is a rare condition where an individual's red blood cells have a decreased expression of the H antigen, leading to weakened A and B antigen expression.

Source

ISBT (International Society of Blood Transfusion)
Hematology Hematology: Blood Grouping and Crossmatching Hematology: Blood Grouping and Crossmatching Hard MEDICAL Confidence: high