Ayoung boy has been found, and police are trying to locate his family. they take a dna sample from him and begin collecting dna samples from families who have missing children. if police use dna samples only from the fathers, which type of dna technology can they use to identify the boy's parent? y-chromosome analysis mtdna (mitochondrial dna) analysis vntrs (variable tandem repeats) pcr (polymerase chain reaction) analysis