Then you are still legally the father just as if you were genetically the father.
Nothing happens
Generally, the man on the birth certificate is the child's legal father, unless/until proven otherwise.
Not necessarily. A person that is on a birth certificate, but is not really the child's father, is just taking responsibility for them. They can't really get into any trouble, legally.
Not really. It depends on the situation.
It is possible to legally establish paternity even if the father's name is not on the birth certificate.
You can't remove a father's name from a birth certificate if he is the father, whether he's an illegal alien or not.
The man on the birth certificate.
Putting a father's name on the birth certificate does not make him legally the father if you are not married to him. You can put his name on the birth certificate, but realize that it has no legal impact. In order to have paternity established, it has to be done with a court order.
check your birth certificate. your last name isn't necessarily your biological father's last name.
no
no, changing the birth certificate requires adoption, and can only be done if the birth father's parental rights have been terminated.
Ordinarily this happens shortly after the child's birth.