This is really high on the priority list of tribal concerns. This is a cash cow in many circumstances, and tribes are concerned about protection of tribal assets.
I went to Marymount College in New York City with a lot of kids whose parents paid their way, and I wouldn't even have thought of asking my parents - they couldn't afford it, not with six kids!
In 15 years we'll have all the sequence, a list of the genes everyone has in common and those that differ among people. We know only something like a tenth of 1 percent of the sequence at the moment.