Name: ______________________________________________ Period: __________ Date: _______________________Mitosis vs. Meiosis

1. Complete the concept map comparing mitosis and meiosis. Use the following terms, each term can be used one or more times: diploid cell, one cell division, four haploid cells, parent cell, two cell divisions, body cell, same, chromosomes, gamete-producing cell, half, two diploid cells.

2. Define homologous chromosome. __________________________

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3. Define sister chromatids. _________________________________

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4. Describe 2 parts of meiosis that are similar to mitosis.

a. ________________________________________________

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b. ________________________________________________

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5. Identify whether each process below occurs during mitosis, meiosis, or both.

a. Sister chromatids separate __________________________

b. Haploid cells are formed ___________________________

c. Cell division occurs once ___________________________

d. Homologous chromosomes pair _____________________

e. 4 haploid cells are the final result ____________________

f. Crossing over occurs ______________________________

g. Cell division occurs twice __________________________

h. Replicated chromosomes line up in the middle of the cell __________________________

i. 2 diploid cells are the final result _____________________________________________

6. Define crossing over. ____________________________________________________________________________

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What phase does it occur? ________________________________________________________________________

7. Does the parent cell in Mitosis start off as diploid or haploid? ______________________ Are the resulting cells at the end of Mitosis diploid or haploid? ___________________________

8. Does the parent cell in Meiosis start off as diploid or haploid? _____________________ Are the resulting cells at the end of Meiosis diploid or haploid? ____________________________

9. How does the number of chromosomes in a sex cell compare with the number of chromosomes in the parent cell? __

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Parent Cell

10. Describe the differences in how the chromosomes line up in middle of the cell during Metaphase I of Meiosis and Metaphase of Mitosis. __________________________________________________________________________

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11. Identify the phase in the cell to the left. _____________________________ What is the name of Structure A? ____________________________________

12. Identify the phase in the cells to the left. _______________________ What is happening to the nuclear envelope? ___________________________________________________

_________________________________ Why does this happen? _________________

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13. Identify the phase in the cell to the left. _________________________ What is being separated? ___________________________________________________

Honor’s Biology Only

14. Explain why mitosis is referred to as a process of cell replication. _________________________________________

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15. Explain why meiosis is referred to as a process of cell reduction. __________________________________________

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A

This diagram is a general overview of what occurs during Mitosis and Meiosis, but the specific phases have not be labeled for you!!!