Chance of finding a bone marrow match is as low as 66 % for African-Americans . Be the Match tests the immune system 's genetic coding to determine bone marrow compatibility . Comment: Donor official says 70 % of transplant patients will end up using stranger 's bone marrow .
Chance of finding a bone marrow match is as low as 66 % for African-Americans . Comment: Donor official says 70 % of transplant patients will end up using stranger 's bone marrow .