FamilyTreeDNA have a comprehensive list of Frequently Asked Questions and you can access these here ... The FTDNA Learning Center

The ISOGG Wiki website is a virtual encyclopaedia of everything you might want to know about DNA.

The Genetic Genealogy Ireland Facebook group is a great place to ask questions and get answers.

I also maintain a blog dedicated to "DNA and Family Tree Research" which you may find helpful.

Maurice Gleeson

Project Administrator