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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Which of the following statements regarding Genetic Drift is false? A. The effects of genetic drift are strongest in small populations where it can lead to the elimination/fixation of some alleles B. The effects of genetic drift are strongest in large populations where it is responsible for the maintenance of rare alleles C. Genetic drift reduces genetic variability D. Genetic drift often results from populations passing through a population bottleneck
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Which of the following is true regarding genetic drift? It is always a random event. It always reduces the amount of variation in a population. All of these are true. A population that has undergone genetic drift is susceptible to the same diseases and infections.
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Which of the following would be described as genetic drift? a. the distribution of species resulting from the movement of the continents as they dispersed from Pangaea b. random mating that occurs in a large population c. the random changes that might occur in a gene pool as the result of a natural disaster that significantly reduced the size of a population d. the change in allele frequencies that result from sexual selection
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