the potential donors provided a cheek swab to see if they could be a match for baylor frederickson, bute is half japanese, finding a donor is really tough. >> like a perfect match is like an identical twin. he doesn't have an identical twin. >> only 7% of those registered as born marrow donors are asian, even fewer are mixed race like baylor. there is another race drive next week at larkin in san francisco. >>> in the meantime, staying in san francisco, a landmark has reopened. you will meet two of the women whose images have . >>> covering santa rosa, berkeley, san jose, and all the bay area. this is abc 7 news. >>> one of san francisco's iconic landmarks is open for business again looking live now at quick tower from our tower. quake tower shut down for six months of renovations, inside and out, including work on the famous murals, here is abc news reporter carolyn tyler. >> reporter: they cut the ribbon today to re-open coit tower, this landmark originally opened in 1933, a gift to the firefighters. it includes modernizing the elevators that takes crowds to the top for million dollar