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Chapter 12 Cell Cycle 1. 2. 3. 4. 5. 6. 7. 8. 9. Functions of cell division. . Phases of the cell cycle and what happens in these phases. Phases of mitosis and describe the events characteristic of each phase. Recognize the phases of mitosis from diagrams and micrographs. Identify the following structures in the diagram: the mitotic spindle, including centrosomes, kinetochore microtubules, nonkinetochore microtubules, asters, and centrioles (in animal cells), chromatids.. Compare cytokinesis in animals and plants. What are checkpoints? What role do they have in cell cycle? Know checkpoints, cyclin, Cdks, and MPF in the cell cycle control system. Describe the internal and external signals that influence the cell cycle control system. Know platelet derived growth factor Characteristics of cancer cell. Distinguish between benign, malignant, and metastatic tumors. Chapter 13 Meiosis 1. Explain how traits are inherited from parents to offspring. 2. Distinguish between asexual and sexual reproduction. 3. Distinguish between the following pairs of terms: a. somatic cell and gamete b. autosome and sex chromosome 4. Explain how haploid and diploid cells differ from each other. State which cells in the human body are diploid and which are haploid. 5. List the phases of meiosis I and meiosis II and describe the events characteristic of each phase. In which phase, crossing over or exchange of genetic material occurs. Compare the prophase of mitosis and meiosis. 6. Recognize the phases of meiosis from diagrams or micrographs. 9. Describe the process of synapsis during prophase I and explain how genetic recombination occurs. 10. Describe three events that occur during Meiosis I but not during Mitosis 11. Explain how independent assortment, crossing over, and random fertilization contribute to genetic variation in sexually reproducing organisms. Chapter 14 Mendelian Genetics 1 1. The difference in Mendel's particulate mechanism and the blending theory of inheritance. 2. Why did Mendel use garden peas for his experiments. How did he conduct experiments on garden peas. 3. Define the following terms: true breeding, hybridization, monohybrid cross, P generation, F1 generation, F2 generation. The four components of Mendel's hypothesis that led him to deduce the law of segregation. 4. Use a Punnett square to predict the results of a monohybrid cross, stating the phenotypic and genotypic ratios of the F2 generation. 5. Distinguish between the following pairs of terms: dominant and recessive; heterozygous and homozygous; genotype and phenotype. 6. What is the purpose of testcross? How is it done?. 7. Use a Punnett square to predict the results of a dihybrid cross and state the phenotypic and genotypic ratios of the F2 generation. 8. State Mendel's law of independent assortment and describe how this law can be explained by the behavior of chromosomes during meiosis. 9. Incomplete dominance, Co-dominance, pleiotropy, epistasis, multiple inheritance. Describe how environmental conditions can influence the phenotypic expression of a character. Explain what is meant by "a norm of reaction." 10. Distinguish between the specific and broad interpretations of the terms "phenotype" and "genotype." 11. Diseases:Sickle cell, tay-sach, cystic fibrosis Chapter 15 – Sex-linked inheritance 1. Know the chromosomal theory of inheritance. 2. Why Drosophila melanogaster is a good experimental organism for genetic studies? What was the result of Morgan's experiment on Drosophila melanogaster? 4. Explain why sex-linked diseases are more common in human males. 5. Why linked genes do not assort independently. Distinguish between parental and recombinant phenotypes. Explain how crossing over can unlink genes. 2 6. Know linkage map, map units, genetic map. 9. Explain the chromosomal abnormalities: How nondisjunction leads to aneuploidy. 13. Define trisomy, triploidy, and polyploidy. 14. Distinguish among deletions, duplications, inversions, and translocations. 15. Human disorders: Down syndrome, Klinefelter syndrome, extra Y, triple-X syndrome, Turner syndrome, cri du chat syndrome, and chronic myelogenous leukemia. CHAPTER 16 - THE MOLECULAR BASIS OF INHERITANCE DNA as the Genetic Material 1. Read the contributions of various scientist in history of DNA given in notes. Griffith’s transformation experiment. 2. What was the experimental evidence that helped Watson and Crick to propose the structure of DNA. 3. Describe the structure of DNA (base-pairing rule, antiparallele strand, the construction of double helix, location of nitrogenous bases and sugar, phosphate bonds. You will be given short sequenc of nucleotides to make a complementary strand using the given template strand. DNA Replication and Repair 4. Describe the semiconservative model of replication 5. Know DNA replication, including the role of the origins of replication and replication forks. Explain the role of different enzymes in DNA replication. 6. How is DNA synthesized in leading and lagging strand. Know that synthesis proceeds in 5’ to 3’ direction and DNA polymerase can add nucleotides only to the 3’ end. 7. What are okazaki fragments. Explain the roles of DNA ligase, primer, primase, helicase, topoisomerase, and single-strand binding proteins. 8. Mismatch repair enzymes, and nuclease in DNA proofreading and repair. 9. Describe the structure and function of telomeres. 10. Explain the possible significance of telomerase in germ cells and cancerous cells. 11. Distinguish between heterochromatin and euchromatin. What are nucleosomes? Chapter 11 – Cell Communication 1. Define signal-transduction and describe the pathway used for mating in yeast. 2. Define 'paracrine signaling' and give an example. 3 3. Explain how plant and animal hormones travel to target cells. 4. List and briefly define the three stages of cell signaling. 5. Define ligand. Explain the ligand-receptor interaction and explain how these interactions initiate a signal-transduction system. 6. State where signal receptors may be located in target cells. 7. Define the term 'second messenger'. Examples of second messengers 4