Project: Genetic structure of ethnic groups of European ancestry in North Dakota Questionnaire You may stop to fill this form at any time or choose not to answer a question. DNA sample (index number) ______________________________________________ Sex M / F Year of birth rounded to the nearest multiple of 5 __________________________________ Ethnic background ___________________________________________________________ Your place of birth ____________________________________________________________ Maternal ancestry: Mother’s place of birth _______________________________________________________ Grandmother’s place of birth __________________________________________________ Grandfather ‘s place of birth ___________________________________________________ Paternal ancestry: Father’s place of birth _______________________________________________________ Grandmother’s place of birth __________________________________________________ Grandfather ‘s place of birth ___________________________________________________ The places in the Old World where your ancestors came from: Maternal ancestors __________________________________________________________ Paternal ancestors ___________________________________________________________ Surnames (the surname data will be used to select subjects that were maternally and paternally unrelated for at least two generations): Maternal lineage ____________________________________________________________ Paternal lineage _____________________________________________________________