In "Mixed Blood," Fish Argues Thahuman Biological Races Do Noexisbecause

In "Mixed Blood," Fish argues thahuman biological races do noexisbecause

A) people from anywhere on the planet can mate with others from anywhere else and produce fertile offspring.
B) scientists have ignored important physical traits such as body shape.
C) people find it politically incorrect to name them.
D) the real traits that indicate genetic groupings cannot be observed.