Human Heredity: Principles and Issues (MindTap Course List)
11th Edition
ISBN: 9781305251052
Author: Michael Cummings
Publisher: Cengage Learning
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Textbook Question
Chapter 2, Problem 12QP
Why is cell furrowing important in cell division? If cytokinesis did not occur, what would be the end result?
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What is the difference between mitosis and cytokinesis?
Even though cytokinesis is included with Mitosis, we generally consider it to be its own phase. Why?
by the time cytokinesis occurs, the cell has already split
by the time cytokinesis occurs, the cytoplasm has already split
by the time cytokinesis occurs, the nucleus has already split
by the time cytokinesis occurs, the cell has copied all of its chromosomes
What is cytokinesis, and what role does it play in the cell cycle?
Chapter 2 Solutions
Human Heredity: Principles and Issues (MindTap Course List)
Ch. 2 - Prob. 1CSCh. 2 - Prob. 2CSCh. 2 - Prob. 3CSCh. 2 - Cell Structure Reflects Function What advantages...Ch. 2 - Assign a function(s) to the following cellular...Ch. 2 - How many autosomes are present in a body cell of a...Ch. 2 - Define the following terms: a. chromosome b....Ch. 2 - Human haploid gametes (sperm and eggs) contain: a....Ch. 2 - Prob. 6QPCh. 2 - Prob. 7QP
Ch. 2 - In the cell cycle, at which stages do two...Ch. 2 - Does the cell cycle refer to mitosis as well as...Ch. 2 - It is possible that an alternative mechanism for...Ch. 2 - Identify the stages of mitosis, and describe the...Ch. 2 - Why is cell furrowing important in cell division?...Ch. 2 - A cell from a human female has just undergone...Ch. 2 - During which phases of the mitotic cycle would the...Ch. 2 - Describe the critical events of mitosis that are...Ch. 2 - Mitosis occurs daily in a human being. What type...Ch. 2 - Speculate on how the Hayflick limit may lead to...Ch. 2 - How can errors in the cell cycle lead to cancer in...Ch. 2 - List the differences between mitosis and meiosis...Ch. 2 - In the following diagram, designate each daughter...Ch. 2 - Which of the following statements is not true in...Ch. 2 - Match the phase of cell division with the...Ch. 2 - A cell has a diploid number of 6 (2n = 6). a. Draw...Ch. 2 - A cell (2n = 4) has undergone cell division....Ch. 2 - We are following the progress of human chromosome...Ch. 2 - What is physically exchanged during crossing over?Ch. 2 - Compare meiotic anaphase I with meiotic anaphase...Ch. 2 - Provide two reasons why meiosis leads to genetic...
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- Why do you think the rate of cell division is different for different tissues? Where in the body would you expect to find cells that have a rapid rate of division? Where might you find cells that have a slow rate of division? Explainarrow_forwardDescribe the cell cycle using the following words: Interphase G1 G2 S phase M phase (mitosis) Prophase Metaphase Anaphase Telophase Cytokinesis Apoptosis Check Points feedbackarrow_forwardDefine mitosis and cytokinesis. What changes in cell structure would result if cytokinesis did not occur after mitosis?arrow_forward
- Which phase of the cell cycle is depicted in this diagram? a) S phase b) early prophase c) metaphase d) G1 phasearrow_forwardWhat are the events that occur during the mitotic phase (mitosis and cytokinesis)? Explain each.arrow_forwardWhy is the interphase considered the longest phase in cell division?arrow_forward
- Name the phases of the cell cycle. b) During which phases are the chromosomes and then the cytoplasm split, respectively? c) Describe one mechanism that is used to regulate the cell cycle.arrow_forwardDuring which phase of mitosis will the sister chromatids pull apart from one another to move to opposite sides of the cell?arrow_forwardIf a cell with 6 chromosomes undergoes mitosis followed by cytokinesis, how many chromosomes will each daughter cell have?arrow_forward
- There are certain cells that are multinucleated (having more than one nucleus). Which of the following is a possible explanation for this occurrence? A) The cell underwent repeated cytokinesis but no mitosis. B) The cell underwent repeated mitosis with simultaneous cytokinesis. C) The cell underwent repeated mitosis, but cytokinesis did not occur. D) The cell had multiple S phases before it entered mitosis.arrow_forwardCytokinesis, the process of cytoplasmic division, occurs shortly after the separated sister chromatids have neared the opposite spindle poles. How is the plane of cytokinesis determined?arrow_forwardWhat are the four phases of the cell cycle? What is the principal activity in the cell during each phase? Can any phase be eliminated or bypassed?arrow_forward
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