From the Mid-20th Century On, the Science of Racial Categorization

From the mid-20th century on, the science of racial categorization has become more precise rather than vague and even misleading.

A) No, such categories continue to fluctuate and reflect social and cultural conditions rather than advances in scientific evidence.
B) Yes, genome mapping, anthropology, and the like have made it possible to classify fully a person's racial component.
C) No, because people are so easily offended in the modern period, insensitive language in regard to race has added less precision.
D) Yes, for with each Census new categories are added to let the people themselves provide the best picture of our diverse nation.