PrQ4A_Key - Biology 352 KEY Practice Quiz#4a 1 Local...

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Biology 352 Practice Quiz #4a KEY 1. Local populations of marine bivalves (clams) are connected by migrating larvae. Eggs hatch into larvae that can be swept by the oceanic currents anywhere within southern California. Then the larvae settle to the bottom and grow into clams, which do not move. For genes not subject to natural selection, it is best to model evolution in this group of clam populations using a. the one-way model of migration. b. the island model of migration. c. the Hardy Weinberg equilibrium model. d. the overdominance model. e. the two-way mutation model. 2. Which of the following is true about underdominance? a. Underdominance usually leads to H e > 0 for the gene under selection. b. If we start with almost any value of p and q , the allele frequencies will remain constant over time. c. Underdominance is the most important form of natural selection for maintaining genetic variation. d. At equilibrium, underdominance usually leads to H o = 0 for the gene under selection. e. All of the above are true.
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PrQ4A_Key - Biology 352 KEY Practice Quiz#4a 1 Local...

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