From the list below choose one of our Frequently Asked Questions category, then select an FAQ to read under that category. If you have a question which is not answered by a FAQ, please do not hesitate to contact us.


General questions about DNA testing.

Questions about how to use the Grau DNA Project Website.

Questions about yDNA, mtDNA, Haplogroups and Haplotypes.

This DNA Project is a member and supporter of ISOGG, the International Society of Genetic Genealogy. Please visit their website to learn more about becoming a member (it's free!) and help advance the cause of Genetic Genealogy.