Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Textbook Question
Chapter 10, Problem 13TYK
Discuss Concepts A cell has 38 chromosomes. After mitosis and cell division, one daughter cell has 39 chromosomes and the other has 37. What might have caused these abnormal chromosome numbers? What effects do you suppose this might have on cell function? Why?
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Does resulting daughter cells in mitosis and meiosis will have identical features with their parent cell? yes or no? Why?
Does Interphase prepare the parent cell for division by means of cell growth and synthesis? yes or no? Why?
Does the number of chromosomes found in the daughter cells after mitosis and meiosis will be the same as that of the parent cell? yes or no? Why?
Which of the following statements correctly describes the process of mitosis in a diploid cell?Note: a complete set of chromosomes refers to one of each kind of chromosome. A complete set of homologous chromosomes refers to two of each kind of chromosome - one from the mother and one from the father)
Select one:
a. A complete set of homologous chromosomes are divided into each daughter cell so that each new cell gets one set of chromosomes.
b. Cytoplasm and its organelles are equally divided into each daughter cell.
c. A complete set of homologous chromosomes are equally divided into each reproductive cell.
d. DNA and cytoplasm are equally divided into each daughter cell.
How are the concepts of chromosome, chromatin and chromatids related? In which phase of the cell cycle does DNA duplicate?
Chapter 10 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 10.1 - What are the three interrelated systems that...Ch. 10.1 - Prob. 2SBCh. 10.1 - Prob. 3SBCh. 10.1 - Prob. 4SBCh. 10.2 - Compare the chromosome content of daughter cells...Ch. 10.2 - Prob. 2SBCh. 10.2 - Prob. 3SBCh. 10.3 - How does spindle formation differ in animals and...Ch. 10.3 - Prob. 2SBCh. 10.4 - Prob. 1SB
Ch. 10.4 - Prob. 2SBCh. 10.4 - What is an oncogene? How might an oncogene affect...Ch. 10.4 - Prob. 4SBCh. 10.5 - Prob. 1SBCh. 10.5 - Prob. 2SBCh. 10 - During the cell cycle, the DNA mass of a cell:...Ch. 10 - A tumor suppressor protein, p21, inhibits Cdk1....Ch. 10 - A major difference between hereditary information...Ch. 10 - The major microtubule organizing center of the...Ch. 10 - Prob. 5TYKCh. 10 - Which of the following statements about mitosis is...Ch. 10 - Prob. 7TYKCh. 10 - Which of the following statements about cell cycle...Ch. 10 - Which of the following is not a characteristic of...Ch. 10 - Which of the following does not accurately...Ch. 10 - In bacteria: a. several chromosomes undergo...Ch. 10 - Prob. 12TYKCh. 10 - Discuss Concepts A cell has 38 chromosomes. After...Ch. 10 - Prob. 14TYKCh. 10 - Prob. 15TYKCh. 10 - Apply Evolutionary Thinking The genes and proteins...Ch. 10 - Biologists have long been interested in the...Ch. 10 - Prob. 2ITD
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- Normal events in mitosis gives rise to daughter cells with exactly the same chromosome number and genetic material. What may be expected to happen chromosomally and genetically to: 1. an unfertilized egg that undergoes mitosis, but fails to undergo cytokinesis? 2. a cell with a chromosome that lost its centromere? 3. a cell with a chromosome that contains two centromeres?arrow_forwardWith regard to the process of mitosis, which of the following pairs is NOT matched correctly? a. Interphase - the cell grows, chromosomes replicate, and proteins are produced to prepare the cell to divide Ob. Prophase - chromosomes condense, and the nuclear membrane dissociates/breaks down c. Metaphase - chromosomes move toward opposite poles (or sides) of the cell d. Anaphase - sister chromatids separate e. Telophase - two distinct nuclei are formed; this is the stage immediately before cytokinesis O O Oarrow_forwardDescribe the similarities and differences between mitosis and meiosis. Discuss at least two similarities and two differences. (Be sure to include the specific information about both processes for each comparison -- for instance, if you identify something about number of chromosomes, be sure to identify that number for both processes, whether or not it’s the same.)arrow_forward
- A cell is shown during the anaphase stage of mitosis. Which of the following statements best explains what would be different if the diagram showed anaphase I of meiosis instead of anaphase of mitosis? Select one: a. Homologous chromosomes would be moving to the same end of the cell. b. Homologous chromosomes would form a tetrad. c. Each chromosome would have two sister chromatids. d. The sister chromatids would be pulled apart.arrow_forwardDetermine what particular phase is being described in the following. 1. The sister chromatids are moving apart. 2. The nucleolus begins to fade from view. 3. A new nuclear membrane is forming around the chromosomes. 4. The chromosomes are located at the equator of the cell. 5. The nuclear membrane begins to fade from view. 6. The division (cleavage) furrow appears. 7. The chromosomes are moving towards the poles of the cell 8. Chromosomes are replicated. 9. The organization phase. 10. What is the phase where cytokinesis occurs?arrow_forwardIn the tracking chromosomal DNA movement through mitosis experiment, how many chromosomes did each of your daughter cells contain? Why is it important for each daughter cell to contain information identical to the parent cell? How often do human skin cells divide? Why might that be? Compare this rate to how frequently human neurons divide. What do you notice?arrow_forward
- Describe the role of the following structures or proteins in cell division: a. microtubules b. cohesin protein c. kinetochores d. synaptonemal complexarrow_forwardA crayfish strain became triploid while kept in a pet store. Pet owners released these crayfish into the wild, and they became an invasive species. These triploid animals have 2 different kinds of chromosomes (chromosome 1 and chromosome 2). To understand what kind of difficulties the crayfish triploid cells might have during the cell cycle you will draw: Cell is triploid with 2 different chromosomes ( 1 and 2) A) cell in G1 (assume chromosomes are condensed as they normally are in metaphase throughout the cell cycle) B) cell in G2 (assume chromosomes are condensed as they normally are in metaphase throughout the cell cycle) C) cell in Metaphase of mitosis D) cell in Metaphase I of the first meiotic division E) cell in Metaphase II of the second meiotic divisionarrow_forwardBelow are three statements - two of which are truths and one is a lie. Which of the following statements is a lie? Select one: a.The role of centrosomes in the plant cell is not clear since it can proceed cell division with or without it. b.The central vacuole's function includes serving as a lysosome in the plant cell. c.Metabolic processes in the prokaryotic cell are all done in its cytoplasm.arrow_forward
- Draw diagrams for each phase of Mitosis in the correct order. Including Mitosis as part of the cell cycle is beneficial but not required. Identify the most important relevant details about each phase. There are at least 2 details or terms associated with each phase. Please use the proper names for parts such as centromeres, spindle fibres, etc.arrow_forwardQ1: Do all cells in an organism enter each stage of mitosis at the same time? (Hint: See image of onion root tip at far left in the figure.) Q2: What happens between the end of interphase and early prophase that changes the appearance of the chromosomes? Q3: Explain in your own words the role of the mitotic spindle in mitosis.arrow_forwardThe same chromosome can look very different depending on when in meiosis it is observed. Explain fully why this is so and also why the chromosome is less condensed during some parts of the cell cycle? How many DNA molecules does each chromosome contain at the beginning of Prophase I? Use the following terms in your explanation: chromatin, histone, chromatid, centromere.arrow_forward
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cell division of meiosis and mitosis; Author: Stated Clearly;https://www.youtube.com/watch?v=A-mFPZLLbHI;License: Standard youtube license