If a man went back in time and became his own father, but then his original father took a DNA test to prove or disprove paternity, what would the results be?
by 
the Otter
ANSWERS: 2
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Imaginary.
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"If a man went back in time and became his own father..." - okay, so he is his own parent, plausable in time travel paradoxis. "... but then his original father took a DNA test to prove or disprove paternity..." - his original father could not exist in the timeline which he travelled to due in part to them being the same person. But in the timeline he left, his father (a.k.a himself) would still be alive and well but without his son since he went to the past and became his own father. A paternity test would likely not happen. "... what would the results be?" - If it did happen it likely turn up that he is indeed the father of a male who shares the same DNA as him and his wife. I doubt they'd really look to see who his father was since he just wanted to know if his son is his son or not.
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