Answer:
Yes it is possible
Step-by-step explanation:
I cannot get you a punnet square but...
Mother: Type A blood = 1 part A blood 1 part O blood = OA
Father: Type B blood= 1 part B blood 1 part O blood = OB
There is a 25% chance for O blood
There is a 25% chance for AB blood
There is a 25% chance for OB blood
There is a 25% chance for OA blood