Which of the following must be true if a population is undergoing evolution? Select the TWO answers that are correct.

Question

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In order for a population to be undergoing evolution, there must be some sort of change in the allele frequencies over time (A) and in the gene pool over the course of generations (C). While mutations (B) can provide raw genetic material for evolution, a high mutation rate does not necessarily guarantee an evolutionary change. Similarly, the most advantageous alleles (D) may increase in frequency but not necessarily due to evolutionary forces. Lastly, while genetic drift (E) can cause random changes in the gene pool, it is not a necessary condition for evolution to occur.

Which of the Following Must Be True If a Population