Choose "yes" or "no" for each question below.
If this scenario had happened a bit differently, such that Sue was in need of a transfusion but John was healthy and uninjured, would it have been possible for John to donate blood to Sue? __________
If the opposite occurred, such that John was in need of a transfusion but Sue was healthy and uninjured, would it have been possible for Sue to donate blood to John? __________
Based on John and Sue's known medical information, would it be possible for them to ever have a child together that has Type O blood? __________