No. A positive O blood type means that each parent has two copies of the O blood type allele and can only give an O to their baby. The baby must have the blood type O. However, it can be O positive or O negative.
no
yes
Yes, it is possible for a mother with A positive blood and a father with O positive blood to have a baby with A negative blood. The baby would inherit one A allele from the mother and one O allele from the father, resulting in A negative blood type.
sometimes
yes
No
the baby may be A or O.
Yes, a mother with negative and a father with O positive can have a baby with B positive. If they do, the mother must have blood type B or AB.
B negative
no
Yes, a mother with negative and a father with O positive can have a baby with B positive. If they do, the mother must have blood type B or AB.
yes its possible