CHAPTER 14          CELLULAR REPRODUCTION (P.458-483)

1. Define: a)mitosis, b)cytokinesis, c)asexual reproduction, d)sexual reproduction.
2. Describe what occurs before mitosis begins.
3. Explain the difference between chromatin and chromosomes.
4. Name and describe all stages involved in mitosis.
5. When does cytokinesis occur?
6. Explain two major differences between plant and animal mitosis and cytokinesis.
7. Discuss time lengths for mitosis and interphase in human cells.
10. What actually causes and controls the process of cell division?
11. What is meant by the word cancer ?
12. Describe what a mutation is and how they are caused in cells.
13. Name, briefly describe and provide examples for each: A) radiation B) chemotherapy.

PART II - Meiosis

1. Define: a) reduction division b)autosomes c)sex chromosomes d)meiosis, e)somatic
cell, f)homologous chromosome, g)diploid, h)haploid.
2. How many chromosomes do humans have? How are they arranged?
3. What is another name for meiosis? Where does it occur?
4. Briefly describe what happens in the beginning as well as the results of meiosis.
5. Describe, in detail, the stages involved in meiosis.
6. Define: a)synapsis, b)tetrad, c)crossing over.
7. List the advantages of sexual reproduction.
8. What are gonads? Name those found in males and females.
9. What is meant by reproductive system?
10. What is gametogenesis ? Explain in detail oogenesis and spermatogenesis.
11. Compare the egg and the sperm.
12. How does fertilization restore the species number of chromosomes?
13. Explain the process of the sperm’s entrance into the egg.
14. What are some of the technologies based on cell division that are being used today?
15. What are stem cells?

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