deletions | additions       diff --git a/16S rDNA Sequencing and Analysis (Organism Identification).md b/16S rDNA Sequencing and Analysis (Organism Identification).md  index 550b123..ab1425e 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.x. You can do this by typing:  - python --version    You should see something that looks like "Python 2.6.9" If you see Python 3.x, seek help to invoke an earlier version directly.  http://www.python.org/download/releases/ 
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Open a Terminal window and type   ./Applications/seqtrace-0.9.0/seqtrace.py -./Applications/seqtrace-0.9.0/seqtrace.py  This syntax will only work if the SeqTrace folder’s name is seqtrace-0.9.0, if you saved it under a different name you will need to replace seqtrace-0.9.0 with the name of that folder