They indicate that
A. A and B share all Class I MHC alleles
B. A and B share all Class II MHC alleles
C. A and B have at least some differences in Class II MHC alleles causing B to proliferate
D. A and B have at least some differences in ClassII MHC alleles causing A to proliferate
Answer:D
They indicate that
A. A and B share all Class I MHC alleles B. A and B share all Class II MHC alleles C. A and B have at least some differences in Class II MHC alleles causing B to proliferate D. A and B have at least some differences in ClassII MHC alleles causing A to proliferate