Do I Need a Dna Test to Prove My Dad Is My Dad?

Diane: My mam doesn't want me to take a dna test because she was unfaithful during her marriage to my dad. I don't know if i could handle that, but now i also don't knowIf my curiosity will let me go on without knowing for certain. Mark: As a father, what if your daughter you raised wasn't your daughter, and you didn't find out until she was grown? Well, i think it would change a thing. But i guet, i don't think it changes the fact that your dad can still be your dad even if he's not biologicall your dad"