Exam4_StudentStudyGuide

Exam4_StudentStudyGuide - BSC 2011 Dr. Presley Exam 4 Study...

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BSC 2011 Dr. Presley Exam 4 Study Guide 1 of 6 Exam 4 Study Guide ___1. Evolution by natural selection requires ___. a. variation b. inheritable genetic differences c. differential adaptedness d. differential reproductive success e. differential survival f. long period of time g. all of the above are correct ___2. Lamarck a. changes over time influenced by envir, isolation and struggle ___3. Wallace b. non-used organs are remnants of earlier useful organs ___4. Leclerc c. inheritance of acquired characteristics (adult lost arm) ___5. E. Darwin d. coined phrase “survival of fittest” ___6. C. Darwin e. presented descent with modification in “On the Origin of Species” reporting on voyages of Beagle to Galapagos islands 7. List evidences for change in population to support evolution theory; ________________________ ________________________ ________________________ ________________________ ___ 8. evolution a. occurs at the population level, selection acts on the phenotype, a directionless process with no goals ___ 9. genotype b. alternative forms of a gene ___ 10. microevolution c. accumulation of small changes in gene pool over a relatively short time period ___ 11. population d. all members of a single species occupying a particular area at the same time ___ 12. phenotype e. type of genes found in an organism for a trait ___ 13. species f. all the alleles in all members of a population ___ 14. allele g. expression of the genotype ___ 15. gene pool h. a group of individuals capable of interbreeding 16. Conditions necessary for Hardy-Weinberg equilibrium include which of the following: a. lack of emigration b. lack of immigration c. non-random mating d. large population size e. absence of mutation f. natural selection is not affecting alleles under consideration
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BSC 2011 Dr. Presley Exam 4 Study Guide 2 of 6 17. In a population at Hardy-Weinberg equilibrium in which the frequency of A alleles (p) is 0.9 : a. what is the formula for calculating the Hardy-Weinberg Law b. what is the expected frequency of a alleles? ______ c. what is the expected frequency of Aa individuals? _____ ___ 18. Microevolution a. movement of alleles between populations ___ 19. Gene flow b. change in allele frequencies of a gene pool ___ 20. Natural selection c. provides new alleles for variation, only inherited if change occurs in germ cell line, most often harmful ___ 21. Mutation d. populations become adapted to environment ___ 22. Genetic drift e. individuals pair up by choice ___ 23. Nonrandom mating f. accumulation of small changes in gene pool over a relatively short time period ___ 24. Bottleneck effect g. few individuals from original gene pool start new group ___ 25. Founder effect h. unfavorable times prevent majority of genotypes to be present in next generation ___ 26. stratification a. sequential changes in relative dominance of species within a community to establish stable complex ___ 27. succession b. animals living at different levels in a tropical rain forest
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Exam4_StudentStudyGuide - BSC 2011 Dr. Presley Exam 4 Study...

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