True or false: both gentic drift snd the founder effect results in changes in allele frequency
Added by Lauren J.
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Genetic drift is a mechanism of evolution that refers to random changes in allele frequencies within a population, often due to chance events. Show more…
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Genetic drift, whether through the founder effect or bottleneck effect, can result in a loss of genetic variation within a population over time. A. True B. False
Bryan V.
Which statements about genetic drift are true? Genetic drift can only impact existing alleles and reduces allelic variation in a population. Genetic drift is the change in the frequency of an allele in a population that occurs because of random chance. Genetic drift occurs more slowly and has a greater effect in small populations, as compared to large populations. Genetic drift is the change in the frequency of an allele in a population that occurs because the allele provides a reproductive advantage.
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Which of the following statements concerning genetic drift is false? Genetic drift causes random and unpredictable fluctuations in population allele frequencies Genetic drift may cause a beneficial allele to be lost completely. Genetic drift always causes the most beneficial allele to increase in frequency. Genetic drift effects are strongest in small, isolated populations.
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