Arlequin is a software application designed to provide a suite of basic methods and statistical tests for use in population genetic studies (Excoffier, et al., 2005).The Arlequin Input Engine imports genetic marker data in the Arlequin format into a SAS data set.The threepops.arl file (not shown) is located in the Sample Data\Genetics directory included with JMP Genomics, and serves as an example.For detailed information about the files and data sets used or created by JMP Life Sciences software, see Files and Data Sets .The output data sets generated by this process are listed in a Results window. Refer to the Arlequin Input Engine output documentation for detailed descriptions.