PrQ3B_Key - Biology 352 ANSWER KEY Practice Quiz 3B 1 I...

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Biology 352 Practice Quiz 3B ANSWER KEY 1 of 2 1. I want to properly estimate how much genetic variation there is in a natural population of pine trees, for at least one gene. Which of the following would NOT estimate genetic variation in this population? a. If needle length has a known genetic basis, estimate the frequency of short- and long-needle trees. Then calculate allele frequencies assuming random mating. Then calculate H e . b. Collect tissue from 30 random trees, and conduct protein electrophoresis for every tree at 20 loci. Analyze the results. c. Collect tissue from 100 random trees, visually examine the chromosomes under a microscope, and estimate the frequency of various chromosomal mutations. d. Collect tissue from 20 random trees, and score microsatellite variation at one locus. e. Bring seeds from one short- and one long-needle tree into the greenhouse. Conduct a monohybrid cross experiment and see what the phenotypic ratios are in the F1 and F2 generation. The experiment in e) does not tell us how much variation there is in the natural population. It only tells us the specific form of inheritance (e.g., one allele or two, which allele is dominant)
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