Critics contend that because the blood quantum laws required individuals to identify as belonging to only one tribe, despite their ancestry, some lost multiple tribal memberships, and overall numbers of registered members of many Native American tribes have been reduced.
Critics contend that, because the federal blood quantum laws required individuals to identify as belonging to only one tribe, despite ancestry that may include ancestors from more than one tribe, some lost legitimate membership in more than one tribe. Overall numbers of registered members of many Native American tribes have been reduced.