How is it possible that my daughter is blood type O negative if I am O positive & her father is A positive? - Quora

Mother blood type A positive and father blood type O positive

If both parents are O positive, can the children be O negative

Can a man with O positive and woman with O negative have a child

What are the problems when a mother has negative blood group and

How is it possible for a father with O negative blood and a mother

If one parent is blood type 'AB' can they have a child with type

If mother blood is A and father is O ,so posible child blood group

It's the breaking of a taboo': the parents who regret having

Can the child be a positive if both parents are O positive? - Quora