If one parent belongs to b blood type and another parent belongs to o blood type, is it possible for them to have a child with a blood type?

ABO blood typing is : Not sufficient to prove or disprove paternity or maternity because of possible testing difficulties. If concerned, consult your doctor. Chromosomal microarrays can be done on buccal swabs from parents ; infant by the lineagen company in salt lake city, ut, (801) 931-6224. If one parent has b blood type ; the other 0, one would expect their infant to have either b or o blood type.