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Which factors can prevent permanent fixation of an allele (i.e. maintain genetic diversity)?

A. Gene Flow
B. Genetic Drift
C. Natural Selection
D. Mutation

E. All of the above

E. All of the above

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Did you know?

Did you know that there are several factors that can prevent permanent fixation of a specific allele, thereby maintaining genetic diversity? These factors include gene flow, genetic drift, natural selection, and mutation. Gene flow occurs when individuals from different populations migrate and introduce new genetic material, preventing a specific allele from becoming fixed. Genetic drift, on the other hand, refers to random fluctuations in allele frequency due to chance events, which can also prevent fixation. Natural selection acts on variation within a population, favoring certain alleles that provide a fitness advantage and thereby maintaining diversity. Finally, mutation, the ultimate source of genetic variation, introduces new alleles into a population and counteracts fixation. By understanding these factors, we can appreciate how genetic diversity is maintained within populations.