What Pattern of Inheritance Applies to a Woman with Type

Question

What pattern of inheritance applies to a woman with type A blood who has the alleles IA and i?
A) polygenic inheritance
B) simple dominance
C) codominance
D) sex-linked recessive inheritance

Accepted Answer

The inheritance of ABO blood types, including type A with alleles IA and i, is an example of simple dominance where IA (A allele) is dominant over i (O allele).