deletions | additions       diff --git a/16S rDNA Sequencing and Analysis (Organism Identification).md b/16S rDNA Sequencing and Analysis (Organism Identification).md  index 8d4f826..b91d153 100644  --- a/16S rDNA Sequencing and Analysis (Organism Identification).md  +++ b/16S rDNA Sequencing and Analysis (Organism Identification).md 
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http://sourceforge.net/projects/macpkg/files/PyGTK/2.24.0/PyGTK.pkg/download  Confirm that you have Python version 2.7x or earlier. You can do this by typing  - python --version  If not, seek help to invoke an earlier version directly.  http://www.python.org/download/releases/