A cross between two parents produced four offspring’s with blood groups AB, BB, BO and AO. what is the blood group of their parents? by Sunday | Nov 18 | Biology WAEC | 0 comments A. AA and BO B. BB and AO C. AB and BO D. AB and AO Correct Answer: Option C C. AB and BO Users Also Read These:What proportion of the offspring of a cross between…Use arrows to show the route and direction of blood…A woman with blood group A gives birth to a child…A man with blood group A (TAP) married a woman with…A person with blood group B can only donate blood to…