"WEAK D"/Rho VARIANT (Du)

Question 1

Weak expression is due to

Answer 1

ALTERATION OF RhD ANTIGEN

Question 2

Steric arrangement of C affects the expression of D antigen (Dce/dCe)

Answer 2

C trans

Question 3

Mutations in the RHD genes

Answer 3

Weak D

Question 4

Epitopes of D antigen is missing or altered

Answer 4

Partial D

Question 5

Extremely low (el) number of Rh antigens in the RBC surface (can only be detected by elution)

Answer 5

Del