The programs in poptree-dos.zip are for (1) constuctiong a neighbor-joining tree or a UPGMA tree from allele frequency data of microsatellite DNA loci or other genetic markers. Poptree can also calculate heterozygosities and Gst. The programs run on DOS (Command Prompt in Windows). (1) Download poptree-dos.zip and poptree-dos.txt onto your computer. (2) Uncompress poptree-dos.zip. (3) Read the readme.txt file in poptree-dos.zip first. If you have problems or comments, please send email to: takezaki@med.kagawa-u.ac.jp Naoko Takezaki Life Science Research Center Kagawa University Kagawa 761-0793 Japan August 16, 2009