Question

Your friend tells you she thinks the constructivist perspective is wrong and race is a biological fact. she challenges you, "in fact, if race isn't biological, then how can companies determine a person's race by examining their dna

Answer 1

The good answer to give to your friend is that individuals has their own physical characteristics where it likely corresponds to instructions in their DNA. However, scientist are likely following a social constructed rules that focuses more on race, in determining what to look in the DNA that they are likely examining.