Chapter 21 – Genetic Basis of Development

 

Chapter 21    Genetic Basis of Development
Objectives
1. Explain how advances in recombinant DNA technology have helped scientists study the eukaryotic genome.

2. Describe the natural function of restriction enzymes.

3. Describe how restriction enzymes and gel electrophoresis are used to isolate DNA fragments.

4. Explain how the creation of sticky ends by restriction enzymes is useful in producing a recombinant DNA molecule.

5. Outline the procedures for producing plasmid and phage vectors.

6. Explain how vectors are used in recombinant DNA technology.

7. List and describe the two major sources of genes for cloning.

8. Describe the function of reverse transcriptase in retroviruses and explain how they are useful in recombinant DNA technology.

9. Describe how “genes of interest” can be identified with the use of a probe.

10. Explain the importance of DNA synthesis and sequencing to modern studies of eukaryotic genomes.

11. Describe how bacteria can be induced to produce eukaryotic gene products.

12. List some advantages for using yeast in the production of gene products.

13. List and describe four complementary approaches used to map the human genome.

14. Explain how RFLP analysis and PCR can be applied to the Human Genome Project.

15. Describe how recombinant DNA technology can have medical applications such as diagnosis of genetic disease, development of gene therapy, vaccine production, and development of pharmaceutical products.

16. Describe how gene manipulation has practical applications for agriculture.

17. Describe how plant genes can be manipulated using the Ti plasmid carried by Agrobacterium as a vector.

18. Explain how foreign DNA may be transferred into monocotyledonous plants.

19. Describe how recombinant DNA studies and the biotechnology industry are regulated with regards to safety and policy matters.

 

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Chapter 34 AP Objectives

 

Chapter 34     Vertebrate Evolution and Diversity
Objectives
Invertebrate Chordates and the Origin of Vertebrates
1. Distinguish between the phyla of deuterostomes.
2. Describe the four derived traits that define the phylum Chordata.
3. Distinguish among the three subphyla of the phylum Chordata and give examples of each.
4. Discuss the evidence for and against Garstang’s hypothesis that vertebrates had a tunicate-like ancestor.
5. Explain what lancelets suggest about the evolution of the chordate brain.
Craniates Are Chordates with a Head
6. Discuss the importance of genetic duplication in chordate evolution.
7. Explain the fate of the neural crest cells in craniate development.
8. Explain what Haikouella and Haikouichthys tell us about craniate evolution.
Vertebrates Are Craniates with a Backbone
9. Describe the way of life and unique characters of the lamprey.
10. Describe conodonts, and explain why they are considered vertebrates.
11. Describe the trends in mineralized structures in early vertebrates.
Gnathostomes Are Vertebrates with Jaws
12. Explain one hypothesis for the evolution of the jaws of gnathostomes.
13. List the shared, derived characters that characterize gnathostomes.
14. Describe the evidence that suggests that the loss of bone in Chondrichthyes is a derived feature.
15. Describe the features of sharks that are adaptive for their active, predatory lifestyle.
16. Describe and distinguish between Chondrichthyes and Osteichthyes, noting the main traits of each group.
17. Identify and describe the main subgroups of Osteichthyes.
18. Name the three living lineages of lobe-fins.
Tetrapods Are Gnathostomes with Limbs and Feet
19. Define and distinguish between gnathostomes, tetrapods, and amniotes.
20. Explain what Acanthostega suggests about the origin of tetrapods.
21. Describe the common traits of amphibians and distinguish among the three orders of living amphibians.
Amniotes Have Amniotic Eggs
22. Describe an amniotic egg and explain its significance in the evolution of reptiles and mammals.
23. Explain why the reptile clade includes birds.
24. Describe a number of reptile features that are adaptive for life on land.
25. Explain why non-bird reptiles should be called “ectothermic” rather than “cold-blooded.”
26. Define and describe the parareptiles.
27. Distinguish between the lepidosaurs and the archosaurs.
28. Compare the interpretations of dinosaurs as ectotherms or endotherms.
29. Describe the specialized adaptations of snakes that make them successful predators.
30. List the modifications of birds that are adaptive for flight.
31. Summarize the evidence supporting the hypothesis that birds evolved from theropod dinosaur ancestors.
32. Explain the significance of Archaeopteryx.
33. Describe the characteristic derived characters of mammals.
34. Describe the evolutionary origin of mammals.
35. Distinguish among monotreme, marsupial, and eutherian mammals.
36. Describe the adaptive radiation of mammals during the Cretaceous and early Tertiary periods.
37. Compare and contrast the four main evolutionary clades of eutherian mammals.
Primates and the Evolution of Homo sapiens
38. Describe the general characteristics of primates. Note in particular the features associated with an arboreal existence.
39. Distinguish between the two subgroups of primates and describe their early evolutionary relationship.
40. Distinguish between hominoid and hominid.
41. Explain what Sahelanthropus tells us about hominid evolution.
42. Describe the evolution of Homo sapiens from australopith ancestors. Clarify the order in which distinctive human traits aro
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Chapter 22 AP Objectives

 

Chapter 22    Darwinian View of Life
Objectives
The Historical Context for Evolutionary Theory
1. Explain the mechanism for evolutionary change proposed by Charles Darwin in On the Origin of Species.
2. Define evolution and adaptation.
3. Compare and contrast Aristotle’s scala naturae to Carolus Linnaeus’ classification scheme.
4. Describe the theories of catastrophism, gradualism, and uniformitarianism.
5. Explain the mechanism for evolutionary change proposed by Jean-Baptiste de Lamarck. Explain why modern biology has rejected Lamarck’s theories.
The Darwinian Revolution
6. Describe how Darwin’s observations on the voyage of the HMS Beagle led him to formulate and support his theory of evolution.
7. Explain how the principle of gradualism and Charles Lyell’s theory of uniformitarianism influenced Darwin’s ideas about evolution.
8. Explain what Darwin meant by “descent with modification.”
9. Explain what evidence convinced Darwin that species change over time.
10. Explain how Linnaeus’ classification scheme fit Darwin’s theory of evolution by natural selection.
11. Describe the three inferences Darwin made from his observations that led him to propose natural selection as a mechanism for evolutionary change.
12. Explain how an essay by the Rev. Thomas Malthus influenced Charles Darwin.
13. Distinguish between artificial selection and natural selection.
14. Explain why an individual organism cannot evolve.
15. Describe the experiments that supported Reznick and Endler’s hypothesis that differences in life-history traits between guppy populations are due to selective pressure based on predation.
16. Explain how the existence of homologous and vestigial structures can be explained by Darwin’s theory of natural selection.
17. Explain how evidence from biogeography supports the theory of evolution by natural selection.
18. Explain the problem with the statement that Darwinism is “just a theory.” Distinguish between the scientific and colloquial use of the word theory.

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Chapter 35 AP Objectives

 

Chapter 35     Plant Structure and Growth
Objectives
The Plant Body
1. Describe and compare the three basic organs of vascular plants. Explain how these basic organs are interdependent.
2. List the basic functions of roots. Describe and compare the structures and functions of fibrous roots, taproots, root hairs, and adventitious roots.
3. Describe the basic structure of plant stems.
4. Explain the phenomenon of apical dominance.
5. Describe the structures and functions of four types of modified shoots.
6. Describe and distinguish between the leaves of monocots and those of eudicots.
7. Describe the three tissue systems that make up plant organs.
8. Describe and distinguish between the three basic cell types of plant tissues. For each tissue, describe one characteristic structural feature and explain its functional significance.
9. Explain the functional relationship between a sieve-tube member and its companion cell.
The Process of Plant Growth and Development
10. Distinguish between determinate and indeterminate growth. Give an example of each type of growth.
11. Distinguish among annual, biennial, and perennial plants.
12. Explain this statement: “In contrast to most animals, which have a stage of embryonic growth, plants have regions of embryonic growth.”
13. Distinguish between the primary and secondary plant body.
14. Describe in detail the primary growth of the tissues of roots and shoots.
15. Describe in detail the secondary growth of the tissues of roots and shoots.
16. Name the cells that make up the tissue known as wood. Name the tissues that comprise the bark.
Mechanisms of Plant Growth and Development
17. Explain why Arabidopsis is an excellent model for the study of plant development.
18. Explain what each of these Arabidopsis mutants has taught us about plant development:
a. fass mutant
b. gnom mutant
c. KNOTTED-1 mutant
d. GLABRA-2 mutant
19. Define and distinguish between morphogenesis, differentiation, and growth.
20. Explain why (a) the plane and symmetry of cell division, (b) the orientation of cell expansion, and (c) cortical microtubules are important determinants of plant growth and development.
21. Explain how pattern formation may be determined in plants.
22. Give an example to demonstrate how a cell’s location influences its developmental fate.
23. Explain how a vegetative shoot tip changes into a floral meristem.
24. Describe how three classes of organ identity genes interact to produce the spatial pattern of floral organs in Arabidopsis.
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Chapter 23 AP Objectives

 

Chapter 23    Evolution of Populations
Objectives
Population Genetics
1. Explain the statement “It is the population, not the individual, that evolves.”
2. Explain how Mendel’s particulate hypothesis of inheritance provided much-needed support for Darwin’s theory of evolution by natural selection.
3. Distinguish between discrete and quantitative traits. Explain how Mendel’s laws of inheritance apply to quantitative traits.
4. Explain what is meant by “the modern synthesis.”
5. Define the terms population, species, and gene pool.
6. Explain why meiosis and random fertilization alone will not alter the frequency of alleles or genotypes in a population.
7. List the five conditions that must be met for a population to remain in Hardy-Weinberg equilibrium.
8. Write the Hardy-Weinberg equation. Use the equation to calculate allele frequencies when the frequency of homozygous recessive individuals in a population is 25%.
Mutation and Sexual Recombination
9. Explain why the majority of point mutations are harmless.
10. Explain why mutation has little quantitative effect on allele frequencies in a large population.
11. Describe the significance of transposons in the generation of genetic variability.
12. Explain how sexual recombination generates genetic variability.
Natural Selection, Genetic Drift, and Gene Flow
13. Explain the following statement: “Only natural selection leads to the adaptation of organisms to their environment.”
14. Explain the role of population size in genetic drift.
15. Distinguish between the bottleneck effect and the founder effect.
16. Describe how gene flow can act to reduce genetic differences between adjacent populations.
Genetic Variation, the Substrate for Natural Selection
17. Explain how quantitative and discrete characters contribute to variation within a population.
18. Distinguish between average heterozygosity and nucleotide variability. Explain why average heterozygosity tends to be greater than nucleotide variability.
19. Define a cline.
20. Define relative fitness.
a. Explain why relative fitness is zero for a healthy, long-lived, sterile organism.
b. Explain why relative fitness could be high for a short-lived organism.
21. Distinguish among directional, disruptive, and stabilizing selection. Give an example of each mode of selection.
22. Explain how diploidy can protect a rare recessive allele from elimination by natural selection.
23. Describe how heterozygote advantage and frequency-dependent selection promote balanced polymorphism.
24. Define neutral variations. Explain why natural selection does not act on these alleles.
25. Distinguish between intrasexual selection and intersexual selection.
26. Explain how female preferences for showy male traits may benefit the female.
27. Describe the disadvantages of sexual reproduction.
28. Explain how the genetic variation promoted by sex may be advantageous to individuals on a generational time scale.
29. List four reasons why natural selection cannot produce perfect organisms.

 

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