Sub-Saharan Africans Show the Largest Genetic Diversity of Any Human

Multiple Choice

Sub-Saharan Africans show the largest genetic diversity of any human population.What is a likely cause of this?

A) the accumulation of genetic mutations over the last ten years
B) the group's small breeding population,maintaining genetic diversity
C) the accumulations of genetic mutations over time
D) the introduction of genetic diversity from Europe and Asia