Decide whether each of the following mechanisms of evolution can increase genetic diversity (the number of alleles in the gene pool) in a population? • Mutation choose your answer... • Natural selection choose your answer... • Genetic drift choose your answer... • Gene flow choose your answer...
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Mutations are random changes in the DNA sequence that can create new alleles, therefore increasing the number of alleles in the gene pool. Show more…
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Question 2: Genetic drift plays a significant role in evolutionary change in all of the following situations EXCEPT offspring are created through sexual reproduction a small group breaks off and moves to distant location a mass disaster kills a large proportion of a population a population increases rapidly in size Question 3 Anagenesis is: gradual evolution of a new species within one lineage the splitting of a lineage into two new species microevolution within populations long-term stability in a species’ phenotype Question 4 : The mechanism of evolution that decreases variation between populations is natural selection mutation genetic drift gene flow Question 5 All new alleles for a gene ultimately result from mutation natural selection genetic drift gene flow
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