An orphan strikes it rich playing Powerball. Within days, th…

An orphan strikes it rich playing Powerball. Within days, three burly men show up, each claiming to be her long-lost but devoted father. As the resident geneticist, you obtain DNA samples from all four people involved and look at their profile for three different polymorphic microsatellite repeat loci. The results from the tests (PCR products separated by gel electrophoresis) are shown below. Which candidate(s) could not be the father?