actually no. two reasons. first, the science of ethnicity and DNA is in its infancy. it's still often far from accurate. especially when dealing with natives. as an example, DNA testing says my native blood is from Central America. whereas my mother's native blood is Eskimo. neither is true. second, it is possible to inherit little to no native DNA even with legitimate, documented, strong native heritage. my sisters and I all took the same DNA test. and the result showed we all have different percentages of native blood and it correlates fairly closely with how we look. my mother who looks very native, has way more native blood than we do. not twice as much, as you would think, but six times more. none of us got even half of our mother's native blood. we got more of her white blood. my sisters who look more native, inherited more native blood. by ancestry/bloodline we are all equally 1/8 native on paper, but our DNA tests put us well below that.