race is your genetics. ethnicity is your culture.
and "white" is not a pure race. it's just what we call the amalgamation of several fair-skinned races. there are no genetically homogeneous populations.
race
–noun 1. a group of persons related by common descent or heredity.
2. a population so related.
3. Anthropology. a. any of the traditional divisions of humankind, the commonest being the Caucasian, Mongoloid, and Negro, characterized by supposedly distinctive and universal physical characteristics: no longer in technical use.
b. an arbitrary classification of modern humans, sometimes, esp. formerly, based on any or a combination of various physical characteristics, as skin color, facial form, or eye shape, and now frequently based on such genetic markers as blood groups.
c. a human population partially isolated reproductively from other populations, whose members share a greater degree of physical and genetic similarity with one another than with other humans.
race is white.. asian.. spanish.. etc.. GROUPS of ethnic backgrounds that share similar traits..