Population Bottlenecks Can Result in Rapid Fixation or Loss of Alleles

question 32

Multiple Choice

Population bottlenecks can result in rapid fixation or loss of alleles in otherwise large populations because the bottleneck

• A) selectively eliminates or fixes alleles.
• B) reduces the effective population size.
• C) allows migrant alleles to overwhelm native alleles.
• D) creates many new small populations.