There Are Two Main Forms of Non-Mendelian Dominance

Multiple Choice

There are two main forms of non-Mendelian dominance. In ______, as observed in familial hypercholesterolemia, the dominant allele does not completely mask the recessive allele. In ______, as observed in AB blood type, two dominant alleles are expressed for the same phenotype.

A) codominance; incomplete dominance
B) incomplete dominance; codominance
C) recessive; dominant
D) recessive; codominance