No, it is not possible for the baby to have an A group with both parents being O. This is because the parents would have the genotype OO,thus on recombination, the only possible outcome is again an O.
If both parents have type A blood then the baby should have type A blood. or type O blood
possibility not
No, it is not possible.
*Note from asker: Both my parents and at least one brother have B pos blood... Possibility of a throwback gene?
yes
impossible.
Anything but O.
It is possible for the baby to be O if both parents were Ao
The baby can have either O- or O+ blood type.
O plus.
The baby will have some combination of the parents blood types. Without more information I cannot give you more specific info.
Blood type: O