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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Chapter 11, Problem 15TYK
Summary Introduction
To review:
The aspects of processes of meiosis and mitosis that leads to the conclusion that they are evolutionary related processes and also to review, which of them evolved first.
Introduction:
Mitosis is a type of cell division in which ploidy of the chromosomes remains same and it is also known as equational division. Meiosis is the type of cell division in which ploidy of the chromosomes decreases to half and also known as reductional division.
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Offer evidence in support of the hypothesis that meiosis evolvedfrom mutations in the process of mitosis.
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Compare and contrast the key differences between mitosisand meiosis.
Chapter 11 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 11.1 - How does the outcome to meiosis differ from that...Ch. 11.1 - Prob. 2SBCh. 11.1 - Prob. 3SBCh. 11.2 - Prob. 1SBCh. 11.2 - Consider an animal with six pairs of chromosomes;...Ch. 11.3 - Prob. 1SBCh. 11 - The chromosome constitution number of this...Ch. 11 - Which of the following is not associated with...Ch. 11 - Chiasmata: a. form during metaphase II of meiosis....Ch. 11 - If 2n is four, the number of possible combinations...
Ch. 11 - Prob. 5TYKCh. 11 - The DNA content in a diploid cell in G2 is X. If...Ch. 11 - Metaphase in mitosis is similar to what stage in...Ch. 11 - In the human sperm: a. there must be one...Ch. 11 - In plants, the adult diploid individuals are...Ch. 11 - Prob. 10TYKCh. 11 - Discuss Concepts You have a technique that allows...Ch. 11 - Discuss Concepts One of the human chromosome pairs...Ch. 11 - Prob. 13TYKCh. 11 - Prob. 14TYKCh. 11 - Prob. 15TYKCh. 11 - Prob. 1ITDCh. 11 - Prob. 2ITD
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- Compare and contrast mitosis and meiosis with at least 5 descriptors of each. Explain how meiosis leads to genetic diversity. Why is genetic diversity important?arrow_forwardIn your own words, explain the process of mitosis and meiosis.arrow_forwardWhat is the fundamental difference between mitosis and meiosis? A. DNA is replicated twice in meiosis, but only once in mitosis. B. The number of DNA molecules per cell nucleus is cut in half in meiosis but remains constant in mitosis. C. The number of chromosomes doubles in meiosis, whereas it stays the same in mitosis. D. Mitosis involves two cell divisions, whereas meiosis only involves one.arrow_forward
- Which statement below best describes the overall function of meiosis 2? A. Separates homologous chromosomes prior to cell division B. Separate sister chromatids prior to cell division C. Independently arranges homologous chromosomesarrow_forwardMetaphase and Meiosis are distinct cellular processes. Draw and label two cells that illustrate the cell pictured below in Metaphase of Mitosis and Metaphase I of Meiosis. Indicate the position of all chromosomes, centrosomes and microtubules.arrow_forwardList as many similarities and differences between mitosis and meiosis as you can. Which differences do you think are most important, and why?arrow_forward
- Describe the similarities and differences between mitosis and meiosis.arrow_forwardHighlight the similarities and differences between mitosis and meiosis. What is the relevance of meiosis?arrow_forwardWhich of the following is not a reason for mitosis? A. Keep cells small B. Replace damaged cells C. Produce new genes and traits D. Growth of organismsarrow_forward
- Use an illustration to show the differences between mitosis and meiosis. Explain three processes that give rise to genetic variation. The diagram below shows a pair of homologous chromosomes in a diploid cell. Which of the following is the correct diagram of the gametes that produced the cell if there were no errors in meiosis?arrow_forwardWhich of the following is not a contributor to genetic variation? (a) replication of sister chromatids (b) crossing-over of homologous chromosomes (c) random assortment of homologous chromosomes (d) fertilizationarrow_forwardExplain why you would expect genetic differences between cells to arise from meiosis and not from mitosisarrow_forward
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