Multiple Choice
Before contact with Europeans,the people of a tiny,isolated group of South Pacific islands had a population of around 50,000 people.Because of poor management of their own resources,the population fell to around 5000 by about the year 1750.When Europeans finally arrived,they brought smallpox and after the ensuing epidemic,only about 800 islanders were left alive.The unusual genetic makeup of the native population is due to what phenomenon?
A) genetic drift
B) bottleneck effect
C) gene flow
D) speciation
Correct Answer:

Verified
Correct Answer:
Verified
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