If the father is O and the mother is A, the child can end up either A or O.
If the father is O and the mother is AB, the child can end up either A or B.
Yes, even though the father is blood type O he could father an O child, A child, or B child.
The child's blood type could be B positive or O positive.
o blood
O positive
No.
The child could be A+ or O+.
yes.
yes because o positive is the universal blood type
No. The child must be type O.
no, it's impossible.
no
No. If they were both O postitive the child would have to be O positive.