My daughter is almost 4 weeks old and she honestly looks nothing like me. All my close friends agree. I think she looks like one of my wife's co workers. They went on a business trip around the time my daughter was concieved. I do not want to acuse my wife and be wrong. I also do not want to ruin our relationship if Im wrong. Is there a way for me to get a dna test for me and my daughter without my wife's knowledge?