Multiple Alleles and Human Blood Types

Question 1

what is used? (2) in multiple alleles

Answer 1

dominance of hierarchy, subscript numbers

Question 2

State the genotypes for the following phenotypes
-A
-B
-AB
-O
-Rh+
-Rh-

Answer 2

-IaIa, Iai
-IbIb, Ibi
-IaIb
-ii
-RR, Rr
-rr