Hypercholesterolemia is a genetic disorder that causes blood cholesterol levels to be elevated. The H allele is incompletely dom
inant to the h allele, with hh homozygotes having extremely high levels of blood cholesterol. A husband and wife are both heterozygous for hypercholesterolemia. What is the probability that their first child will have normal levels of blood cholesterol?
It can't really be codominant since lowercase letters are recessive, and condomance needs 2 dominant alleles of a different types. So really it should be BB for blue, RR for red and BR for patchwork...
This statement giving a clue that there is asexually reproduction (may be binary fission) taking place and the progenies in asexual reproduction are genetically similar to parent cell. So answer is A.
