Instead of duplicating good resources for Troubleshooting we’ve decided to provide links to a few select websites. If you don’t find what you’re looking for our staff is more than willing to help, just send us an email.
DNA Troubleshooting Guide from Iowa State University
DNA Troubleshooting Guide from Nucleics, Inc. The most common problems explained- A very good Guide!
Primer Troubleshooting Guide from The University of Michigan- good explanation of why your primers work fine for PCR, but may not work well for sequencing.
Sequence Troubleshooting Guide from University College London (pdf)