Study Questions 3-2 2007

Study Questions 3-2 2007 - Biology 370 - Study Questions...

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Biology 370 - Study Questions 3-2 1. Why does a population have to be very large to be in Hardy-Weinberg Equilibrium? 2. Genetic variation in a population may be reduced through selection, inbreeding, or genetic drift. Describe how each process can result in a reduction in genetic variation in a population. 3. Genetic drift can lead to the extinction of a rare allele, or it can lead to a rare allele becoming very common. Describe how this can occur. 4. What is the probability that a new allele, just produced by mutation, in a population of 100 individuals will go extinct. (Assume the effective population size will remain at 100.) 5. Describe the relationship between sampling error and sample size using an example. 6. What is a founder effect? 7. What is a bottleneck effect? 8. What would you expect to happen to genetic diversity (the number of alleles of in a population) if it continually cycled between a very large population size and a very small population size? 9. In a population with an effective size of 100, with 2 alleles A and a , in equal frequencies, how long, on average should it take for one of the alleles to be lost from the population? 10. In a population with an effective size of 100, with 2 alleles A and a , in equal frequencies, what can you say about the expected frequency of each allele after 200 generations? 11.
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Study Questions 3-2 2007 - Biology 370 - Study Questions...

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