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Unit 5 Chromosomes & Cell Reproduction Text: Chapter 5.1-­‐5.4, Chapter 6.1-­‐6.2 (not 5.5, we did that already) Essential Questions: 1. What are the major stages of the cell cycle?
2. How do cells make new cells that are identical to themselves?
3. How do diploid cells make haploid cells?
4. WHY do diploid cells sometimes make haploid cells?
5. What happens when meiosis doesn’t divide pairs of homologous chromosomes evenly?
Learning Goals: 1. Explain the functional relationship between DNA and chromosomes and their role in
inheritance.
2. Describe reproduction in prokaryotes.
3. Describe a normal human karyotype.
4. Describe the events that occur during the cell cycle: interphase, mitosis, cytokinesis.
5. Recognize that not all cells in an adult are undergoing the cell cycle.
6. Recognize that errors in the cell cycle can lead to diseases such as cancer.
7. Compare and contrast a virus and a cell. Relate the stages of viral cycles to the cell
cycle.
8. Describe the events that occur during mitosis.
9. Describe the events that occur during meiosis.
10. Compare the processes and outcomes of mitotic and meiotic nuclear divisions.
11. Describe how crossing over can alter the composition of chromosomes.
12. Illustrate that the sorting and recombining of genes during sexual reproduction results
in a great variety of gene combinations in the offspring.
13. Describe how nondisjunction can alter the number of chromosomes in a cell.
14. Explain the effect a particular nondisjunction would have on a person.
Vocabulary: 1. Mitosis 2. Cytokinesis 3. Chromosome 4. Chromatin 5. Chromatid 6. Centromere 7. Cancer 8. Benign 9. Malignant 10. Metastasize 11. Carcinogen 12. Asexual Reproduction 13. Binary Fission Chp. 6 14. Somatic Cells 15. Gametes 16. Homologous Chromosomes 17. Autosomes (Autosomal Chromosomes) 18. Sex Chromosomes 19. Sexual Reproduction 20. Diploid 21. Haploid 22. Meiosis 23. Crossing Over 24. Gametogenesis