Assignment purpose: The focus of this assignment is to gain a better understanding of the role of Anaphase I and II in meiosis.
Building Knowledge
Video 1- Select the link. Watch the video about the terminology diploid and haploid. Pause to take notes and read about the topic in the textbook chapter.
Diploid and Haploid CellsLinks to an external site.
Video 2- Select the link. Watch the video about meiosis I and meiosis II. Pay special attention to what structures are moving to opposite poles of the cell during anaphase I and II. Pause to take notes and read about the topic in the textbook chapter.
MeiosisLinks to an external site.
Application
Download the worksheet and follow the instructions.
Assignment Worksheet for Meiosis Chpt. 13-3.docxDownload Assignment Worksheet for Meiosis Chpt. 13-3.docx
Instructions
Attempts are unlimited until the due date.
View the grading rubric.
Suggestions:
Word in Office 365 has a drawing tab. Use a stylus (digital pen) so that your work is legible. Another option: You can also upload the file to Windows whiteboard and write on the document there. Another option is to use the text box feature for labeling.
If you choose to print out the file and photograph the page, make sure you can convert the file to a pdf. There are many apps that can convert a phone photo to a pdf. Also, make sure the initial photo is sized and positioned correctly. It must be legible.
Rubric
Assignment Rubric (3)Assignment Rubric (3)CriteriaRatingsPtsThis criterion is linked to a Learning OutcomeContent90 to >85.0 ptsProficientAll of the content of the assignment is provided and accurate. Or minor errors present. No content is missing.85 to >69.0 ptsLimitedSome of the content is missing or inaccurate.69 to >0.0 ptsIncompleteMost of the content missing or inaccurate.0 ptsUnsatisfactoryAssignment not submitted90 pts
This criterion is linked to a Learning OutcomePresentation10 ptsProficientNo issues with clarity, organization or readability.8 ptsLimitedSome issues with clarity, organization or readability6 ptsIncompleteMajor issues with clarity, organization or readability0 ptsUnsatisfactoryAssignment not submitted10 pts
Total Points: 100PreviousNext
https://youtu.be/NR9zTvMg-pE?si=FRSj_EP0YqXceXEp
https://youtu.be/kQu6Yfrr6j0?si=EkycsXXQSIsDRUXA
Hoffman
Biology 1406 Lecture
Worksheet Chapter 13
Meiosis and Sexual Life Cycles
Complete the worksheet using the information gathered from the videos posted in the assignment instructions, the textbook chapter, and associated lecture highlights.
Building Knowledge
1. Define a diploid cell and a haploid cell.
2. Define a germ cell. Is it diploid or haploid? Where are germ cells found in mammals?
3. Explain the characteristics of a homologous pair of chromosomes.
Hoffman
Biology 1406 Lecture
Application
Review figure 13.8 in the textbook chapter. Use the following statement to answer the application section of the worksheet.
A mammalian germ cell has a chromosome number of 2n = 8
1. Draw the movement to chromosomes during Anaphase I and then Anaphase II. Include in each drawing applicable labels: homologous pair, duplicated chromosome, unduplicated chromosome, centromere. Draw arrows showing the direction of chromosome movement. Do not draw a cell membrane around chromosomes.
Anaphase I Anaphase II
2. Select from the statements below the one that describes the resulting chromosome number in each new cell at the end anaphase I or II, and the completion of cytokinesis during telophase I and II. Add the selection description to the anaphase statements. Do not draw circles with arrows.
2n = 8; duplicated chromosomes; 2 cells
2n = 8; unduplicated chromosomes; 4 cells
1n = 4; duplicated chromosomes; 2 cells
1n = 4; unduplicated chromosomes; 4 cells
After Anaphase I, Telophase I and cytokinesis:
After Anaphase II, Telophase II and cytokinesis:
2
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