Virtual Lab 7 Mitosis and Meiosis...through to the video of mitosis and then click Back. The cell...

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Name____________________________________________________Period_____Assignment #_____ Virtual Lab 7 Mitosis and Meiosis http://www.phschool.com/science/biology_place/labbench/lab3/intro.html Click Next 1) What are 4 processes that require mitosis? a. b. c. d. 2) Define daughter cell 3) Define diploid 4) Define haploid 5) Define meiosis 6) Define gamete

Transcript of Virtual Lab 7 Mitosis and Meiosis...through to the video of mitosis and then click Back. The cell...

Page 1: Virtual Lab 7 Mitosis and Meiosis...through to the video of mitosis and then click Back. The cell that is in metaphase will take you away from the site so just click back. Play video

Name____________________________________________________Period_____Assignment #_____

Virtual Lab 7 Mitosis and Meiosis

http://www.phschool.com/science/biology_place/labbench/lab3/intro.html

Click Next

1) What are 4 processes that require mitosis?

a.

b.

c.

d.

2) Define daughter cell

3) Define diploid

4) Define haploid

5) Define meiosis

6) Define gamete

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7) Fill in the diagram below

8) What are 2 similarities between mitosis and meiosis?

9) What are 2 differences between mitosis and meiosis?

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Click Next Concept

10) Define cell cycle

11) Fill in the diagram below

Click A Closer Look

12) Define AND illustrate karyokinesis

Click A Closer Look

13) Define AND illustrate interphase

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Click A Closer Look

14) Define AND illustrate cytokinesis

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15) Define genome

16) Define homologous chromosomes

17) Define allele

18) Label the illustration below

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19) Fill in the diagram below

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20) Find and label a cell in interphase, prophase, metaphase, anaphase, and telophase in the micrograph below.

When you click on a cell the program will tell you what phase you clicked on. Then you will have to cycle

through to the video of mitosis and then click Back. The cell that is in metaphase will take you away from the

site so just click back.

Play video and then click Next

21) What is the average time an onion root tip cell takes to complete a cell cycle?

22) What is the equation for calculating the time for each phase of the cell cycle?

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23) Record your data below. Show your work for EACH calculation in the space below next to the data table.

Once you have completed the data table, click check answer and record correct answer on the data table.

Click Self Quiz

24) Write the phase of mitosis depicted in the image below.

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25) Write the phase of mitosis depicted in the image below.

26) Write the phase of mitosis depicted in the image below.

27) Write the phase of mitosis depicted in the image below.

Click Next

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28) Fill in the diagram below

Click Next Concept

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29) Define crossing over

30) What are the 2 sources of variation mentioned in the first paragraph on Crossing Over

31) Define synapsis

32) Fill in the illustration below

Click Next

33) Where does fertilization occur in Sordarian fruiting bodies?

34) Fill in the diagram below

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Click A Closer Look

35) Fill in the diagram below

36) How do you know when crossing over has occurred?

Click Next

37) Label the diagram below

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Click Next

38) Fill in the data table below. Show your calculations below on the right side of the table and then click Check

Your Answers. Write the correct answers on the data table below your experimental results.

39) Define map unit

40) Define centromere

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41) Show your work for the calculation of percent crossover below and then click Check Your Answers. Record

the correct answer next to your calculation.

42) Why do you need to divide by 2 to accurately calculate the percent of crossing over?

Click Next

43) In what cellular processes is mitosis involved? In what cellular processes is meiosis involved?

44) In what type of cells does mitosis occur? In what type of cells does meiosis occur?

45) How many times does DNA replicate in mitosis? How many times does DNA replicate in meiosis?

46) How many cellular divisions occur in mitosis? How many cellular divisions occur in meiosis?

47) How many daughter cells are formed by mitosis? How many daughter cells are formed by meiosis?

48) What is the chromosome number in daughter cells formed by mitosis from diploid parent cells? What is the

chromosome number in daughter cells formed by meiosis from diploid parent cells?

49) In mitosis, are daughter cells identical to or different from parent cells? In meiosis, are daughter cells

identical or different from parent cells?

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50) In mitosis, when do synapsis and crossing over occur? In meiosis, when do synapsis and crossing over occur?

Click Self Quiz

51) For question #1, write down the correct statement.

52) Explain why the statement above is correct

53) The cell cycle in a certain cell type has a duration of 16 hours. The nuclei of 660 cells showed 13 cells in

anaphase. What is the approximate duration of anaphase in these cells? (Show your work)

54) Use the figure below to answer the following question. For an organism with a diploid number of 6, how are

the chromosomes arranged during metaphase I of meiosis?

55) Explain your answer to the question above

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56) Which sketch below shows the arrangement of chromosomes that you would expect to see in metaphase of

mitosis for a cell with a diploid chromosome number of 6?

57) Explain your answer to the question above

58) A group of asci formed from crossing light-spored Sordaria with dark-spored produced the following results?

How many of these asci contain a spore arrangement that resulted from crossing over?

59) Explain and illustrate your answer to the question above

60) From this small sample, calculate the map distance between the gene and centromere.

61) Explain your answer to the question above