The possible blood types are A and B.
The phenotype of the mother is AB, so the genotype can only be AB.
The father's phenotype is O so his genotype should only be OO.
if we cross between AB and OO it gives us either AO or BO, so the possible phenotypes are either A (if the genotype is AO) or B (if the phenotype is BO).
Answer:
The blood group of Jessica can either be A or B.
In humans, the ABO blood group follows codominance in which allele [tex]I^{A}[/tex] and [tex]I^{B}[/tex] are codominant and allele i is recessive to other two.
The blood group of a mother is AB. Thus, the genotype of the mother would [tex]I^{A}I^{B}[/tex].
Similarly, the blood group of a father is O. Thus, the genotype of the father would be ii.
The cross would result in the production of offspring with two possible types of blood groups [tex]I^{A}[/tex]i and [tex]I^{B}[/tex]i.
Thus, the blood group of the offspring (Jessica) can either be A or B.
