141 Cell Cycle, Mitosis, and Meiosis Problem Set

141 Cell Cycle, Mitosis, and Meiosis Problem Set - Bio141...

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1 Bio141 Cell Cycle, Mitosis, Meiosis Problem Set Note: Supplemental Instruction Problem Sets provide you a means to test your ability to apply your knowledge to biological questions. It is highly suggested that you work on these on your own, but they do not have to be handed in and will not be graded. Your TAs will hold Supplemental Instruction sessions every week for discussion of the topics in these sets, but neither they or your professor will provide you with the answers. 1. Fill in the schematic of the cell cycle below: 2. The cell cycle can be divided into two phases, interphase and mitosis. What are the steps in interphase? What are the steps in mitosis?
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2 3. During which stage of mitosis does the mitotic spindle begin to form and chromosomes condense? a. anaphase b. prophase c. metaphase d. telophase e. cytokinesis 4. During which stage of mitosis do sister chromatids migrate to opposite poles of the cell? a. anaphase b. prophase c. metaphase d. telophase e. cytokinesis 5. During which stage of mitosis do chromosomes align at the center of the cell? a. anaphase b. prophase c. metaphase d. telophase e. cytokinesis 6. What occurs after telophase and before cells enter G1? a. anaphase b. prophase c. metaphase d. telophase e. cytokinesis 7. In the human somatic cell, in G2 of the cell cycle (circle all correct answers): a. The cell has a total of 23 chromosomes b. The cell is haploid c. The cell has 23 pairs of chromosomes d. The cell has 23 homologues 8 . Drosophila melanogaster is a species of fruit fly used in genetics studies. The diploid number of chromosomes for this organism is 8. ( circle all correct answers) a. 2n=8 b. 2n=4 c. The haploid number of chromosomes is 8 d. There are a total of 8 centromeres in each non-dividing somatic cell in Drosophila melanogaster
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3 Ha – Microtubules shorten at the spindle poles Hb – Microtubules shorten at the kinetochore 9. A model organism is a species that is extensively studied to understand particular biological phenomena. Listed below are examples of model organisms used to study the
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This note was uploaded on 10/17/2011 for the course BIO 141 taught by Professor Dr.cafferty during the Fall '11 term at Emory.

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141 Cell Cycle, Mitosis, and Meiosis Problem Set - Bio141...

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