Multiple Choice
Which of the following HLA-DRB genotypes is not possible in an individual? (X: X represents diploid genotype.)
A) DRB1: DRB1
B) DRB1,DRB3: DRB1,DRB4
C) DRB1: DRB1,DRB5
D) DRB1,DRB4: DRB1
E) DRB3: DRB1,DRB5.
Correct Answer:

Verified
Correct Answer:
Verified
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