Africa has a higher degree of human genetic diversity than any other continent. This is consistent with the theory that modern humans have their origin in Africa. A small part of the population migrated out of Africa and reached new locations where they established their own population with lower genetic variability. This is an example of the:

• A. Founder effect
• B. Allopatric speciation
• C. Bottleneck effect
• D. Natural selection

Answer: (A)