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What long-term effects do you observe in the allele frequencies?

Your response

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How does N_e affect the allele frequencies?

Your response

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What is the effect of the initial allele frequency on genetic drift?

Your response

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1. In real populations the value of N_e

a. Is always less than the value of N correct incorrect

b. Is always greater than the value of N correct incorrect

c. Is always equal to the value of N correct incorrect

d. Does not affect allele frequency correct incorrect

e. None of the above correct incorrect

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2. Fixation of the dominant allele

a. Occurs when the value of p = 0. correct incorrect

b. Occurs when the value of p = 1.0 correct incorrect

c. Occurs when the value of q reaches 1.0 correct incorrect

d. Occurs when p = 0.5 correct incorrect

e. None of the above correct incorrect

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3. The effective population size

a. Is the population size where fixation occurs. correct incorrect

b. Is the maximum population size. correct incorrect

c. Is the subset of the total population that mates randomly. correct incorrect

d. Occurs when p = q. correct incorrect

e. None of the above correct incorrect

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4. Why do allele frequencies move to either 0 or 1.0 over time.

a. Because N_e continually declines correct incorrect

b. Because N_e gradually becomes equal to N correct incorrect

c. Because the effect of drift gradually declines correct incorrect

d. Because loss or fixation eventually occur. correct incorrect

e. None of the above correct incorrect

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5. Fixation of the dominant allele is more likely.

a. In a small population in which the initial value of p = 0.9 correct incorrect

b. In a small population in which the initial value of p = 0.1 correct incorrect

c. In a large population in which the initial value of p = 0.9 correct incorrect

d. In a large population in which the initial value of p = 0.1 correct incorrect

e. None of the above correct incorrect