In case having Rh type in both parents then there is a 100% chance that baby will have Rh blood type One parent is Rhpositive and other Rhnegative, then the blood type probability is 75% for Rh and 25% probability of having Rh blood type Here is a chart of blood type parents and child's blood typeAnswer (1 of 3) Yes It works as follows The parent with AB blood can pass on either the A or the B gene (not both) The parent with the B blood is either homozygous (BB) or heterozygous (BO) If (s)he is homozygous, (s)he will always pass on the B gene If that is the case, a child can be eDon't memorize those tables Penguin Prof to the RESCUE!
Child Blood Type Calculator Predict Your Baby Blood Group