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windows default iconDISPAN Publisher's description

Copyright 1993 by Tatsuya Ota and the Pennsylvania State University.

Copyright 1993 by Tatsuya Ota and the Pennsylvania State University. Permission is granted to copy this document provided that no fee is charged for it and that this copyright notice is not removed. DISPAN is distributed free of charge by

Institute of Molecular Evolutionary Genetics
The Pennsylvania State University
328 Mueller Laboratory
University Park, PA 16802, USA

DISPAN (Genetic Distance and Phylogenetic Analysis) is designed to compute the following:

- Average heterozygosity and its standard error for each population
- Gene diversity (Ht) and its associate parameters, Hs, and Gst (Nei 1973)
- Standard genetic distances (D) between populations (Nei 1972)
- Standard errors of standard genetic distances (Nei 1978)
- DA distances between populations (Nei et al. 1983)

It also constructs phylogenetic trees(dendrograms) by using the neighbor-joining (NJ) method (Saitou and Nei 1987) and the unweighted pair group-method with arithmetic mean (UPGMA) (Sneath and Sokal 1973) from matrices of either D or DA distances. Bootstrap tests (Efron 1982, Felsenstein 1985) for these trees can be performed.

This software contains two programs: (1) GNKDST.EXE and (2) TREEVIEW.EXE.
The first program is written in C language by T.Ota, whereas the second program is written in modula-2 language by Koichiro Tamura. The first program is a rewritten version of the program originally written in FORTRAN language by A.K. Roychoudhury, Y. Tateno, D. Graur, N.Saitou, and R. Schwartz.

System Requirements:

No special requirements.
Program Release Status: New Release
Program Install Support: Install and Uninstall


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