The human genome has sequences of nucleotide base pairs that are repeated over and over again. At each locus of interest, a person has two sets of repeats inherited from each parent. Each possible difference at a locus is an allele. The combinations of the possible differences at multiple loci form a DNA profile that can be used to tie suspects to a crime scene.
The Accuracy of DNA Testing is Wanting 74/108 crime labs erroneously incriminated a suspect during a mock study....