Paternity

Can paternity be established under presumption based on the conduct of the person towards the child?
I live in Wyoming with my boyfriend. We have a baby together and my boyfriend has been performing all the responsibilities of a father. At present, our child is 4 years old. How can I establish the paternity in this scenario?
Does an adult child legally responsible to support his parents who have no means to live?
I am a businessman in Maryland. My aged parents have no means to live. Am I legally responsible for my parent’s support?
Can I get genetic testing to disestablish paternity in Iowa?
My ex-wife and I have a child together. I suspect the child is not mine. Can I get genetic testing to disestablish paternity in Iowa?
What is the law on parental rights over a minor child living with parents in New Hampshire?
I am a 15-year-old living with my parents in New Hampshire. I would like to know what is the law on parental rights over a minor child?
Can a person who files an acknowledgement of paternity rescind the acknowledgement in New York?
I instituted paternity proceedings against my boyfriend two months back. Last week he filed an acknowledgement of paternity in the court. Now he has changed his mind and says he will not provide support for the child and is going to consult a lawyer to find out how-to get rid of his responsibility. Can he escape from his duty at this stage in the paternity proceedings?