Is it possible for a person to be 26% Indian? When I think about genetics, I assume that people must be proportions that have 2,4,8,16,32,etc and a denominator. For example a person whose mother is 1/2 french, 1/2 English and has a father that is 100% German would be 50% German, 25% French and 25% English. I saw a TV commercial that came from Ancestry.com that said a person was 26% Indian. Is this possible? If so, how.