How do you get an O negative blood type?

Yes. My mother is O positive and my father is O negative and I am O negative

Of course, but there are many more complications than if you were to have a child with a man with one of the negative blood types. After a miscarriage, or abortion you have to have a shot called...

Hello there, I am not an expert in anyway, i am only a pre-med student but your question caught my eye because genetics is fascinating! If one of the parents is Rh- you could most certainly could...

If the other person is A positive, then yes.