I want to design a primer to amplify a specific region by using Primer3 online. My problem is that I can not get primers to amplify all my fragment. So, could you help me to know how can I amplify 3,230bp to do my complementation by using this program in the link below or if you advise me with another one
http://bioinfo.ut.ee/primer3-0.4.0/
Thank you.