yes, it is possible.
yes
it is possible but chances are rare.
No
yes, there is a chance to have a baby w/ A+
yes
It is possible. It depends on the blood group of the mother.
If the mother and father are both type O, the baby cannot be type AB.
then the baby will be O plus, or AB plus , I think .
Yes, it is possible for both mother and father to be RH positive and a child to be RH negative.
Yes
yes can
Yes