Whether or not you can sue over a forced paternity test is usually a question of local law. The answer in this location is that you can not usually sue over a court ordered paternity test. Since court orders in this area are public record, it is stupid to let it get that far.
The paternity test is the proof. The court will subpoena the other parent and ask them to submit to a paternity test, which will determine if they are the biological parent or not.
By not being a parent.
Amazon.com carries an At-Home-Paternity Test from a company called Identigene.
A paternity test can determine if there is a parent-child relationship between two people. A paternity test would give genetic proof of that relationship.
That's a DNA test, it will only be negative if you are not the parent.
Yes, it is possible to do a DNA paternity test with just one parent and the child. The test can still provide meaningful results by comparing the child's DNA to that of the parent. However, having both parents tested can increase the accuracy of the results.
For what reason? They have not common parent, unless there's a question of paternity.
If either parent lives in New York or if the child lives in New York then the judge can order a paternity test.
The court can not order a paternity test after the child turns 18. The child is considered an adult at 18 years old.
Only if they get a court order which is easily done.
see link below "Can you have a paternity test while you are pregnant?"
Test can do online