“…The markers used preferentially in forensic practice, especially in paternity testing and biological relationships, are the STRs located on the autosomal chromosomes (A-STRs). However, in the last two decades has increased worldwide the use of STRs linked to the X chromosome (X-STRs), especially when the A-STRs are insufficient, and in cases of kinship analysis when the offspring is a female [1][2][3][4][5][6].…”