Your ethnicity is something your hair restoration surgeon accounts for when he or she plans your surgery.
Most hair loss is due to genetic causes (link) but as women experiment with new hair styles, unique and stunning hair looks and more tortuous hair weaves and braids, they put themselves at risk for hair loss from a variety of non genetic causes.
Update from International Society of Hair Restoration Surgery Task Force on Finasteride Adverse Event Controversies
April 29, 2011; Updated September 10, 2012
How to talk with a hair restoration doctor to get the most out of your hair loss treatment program.