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Chromosomes and Cell Division: Understanding Mitosis and Meiosis - Prof. Chantilly A. Muns, Assignments of Human Biology

City College of San Francisco (CCSF)Human Biology
Prof. Chantilly A. Munson

A comprehensive guide to chromosomes and cell division, covering topics such as the overall results of mitosis and meiosis, the relationship between chromosomes and genes, the number of chromosomes in human cells, and the stages of mitosis and meiosis. It also includes questions for further study.

Typology: Assignments

Pre 2010

Uploaded on 08/19/2009

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CHAPTER 19 READING GUIDE & WORKSHEET – CHROMOSOMES & CELL DIVISION
1. What is the overall result of mitosis?
2. What is the overall result of meiosis?
3. What is the relationship between a chromosome and a gene?
4. How many chromosomes do human somatic cells contain?
5. How many homologous pairs of chromosomes do human somatic cells contain?
6. How many chromosomes do human gametes contain?
7. What is the difference between the autosomes and the sex chromosomes?
8. In what stage do cells “spend” most of their time – interphase or mitosis?
9. What happens during interphase?
10. What is the difference between chromatin and a chromatid?
11. Draw sister chromatids attached at the centromere. Label the centromere and each chromatid.
12. In one sentence or less describe what happens during:
a. Prophase
b. Metaphase
c. Anaphase
d. Telophase
e. Cytokinesis
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CHAPTER 19 READING GUIDE & WORKSHEET – CHROMOSOMES & CELL DIVISION

  1. What is the overall result of mitosis?
  2. What is the overall result of meiosis?
  3. What is the relationship between a chromosome and a gene?
  4. How many chromosomes do human somatic cells contain?
  5. How many homologous pairs of chromosomes do human somatic cells contain?
  6. How many chromosomes do human gametes contain?
  7. What is the difference between the autosomes and the sex chromosomes?
  8. In what stage do cells “spend” most of their time – interphase or mitosis?
  9. What happens during interphase?
  10. What is the difference between chromatin and a chromatid?
  11. Draw sister chromatids attached at the centromere. Label the centromere and each chromatid.
  12. In one sentence or less describe what happens during: a. Prophase b. Metaphase c. Anaphase d. Telophase e. Cytokinesis
  1. What information comes from a karyotype?
  2. What are the two “important functions” of meiosis?
  3. How many cells divisions happen during meiosis?
  4. What are some major differences between mitosis and meiosis?
  5. What is crossing over?
  6. What does independent assortment accomplish?
  7. What happens if chromosomes fail to segregate properly during meiosis (nondisjunction)?
  8. What causes Trisomy 21 and Turner and Klinefelter Syndrome?
  9. Is there anything that can be done to prevent Downʼs Syndrome?
  10. What would happen if the spindle fibers failed to form during mitosis?