I saw on The Generation Project where a man took a DNA test that showed he was some percentage Native American. Or was the chance that he as Native American. I don't remember. Anyway, what about it. Can a DNA test prove that I have Native American ancestry?
There are several tests that can show if you have Native American ancestry. I just posted a summary of the 3 core types of genealogical DNA tests in answer to another question, so please read here for general information on DNA testing:
Specifically, for Native American ancestry: