Why is it extremely difficult to distinguish groups on the basis of so-called race?
A) There is only one global genetic individual.
B) Genetic differences are now too plentiful to count.
C) Social conditions have become similar for everyone.
D) A high degree of intermixing has taken place.

Question

Quizplus · Accepted Answer

A high degree of intermixing has taken place, making it difficult to distinguish groups based on race. Due to migration and intermarriage, genetic variation within racial groups is now greater than the variation between racial groups. Therefore, there is no clear genetic basis for defining race.

Why Is It Extremely Difficult to Distinguish Groups on the Basis