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 11.3, Problem 1SB
Summary Introduction
To review:
Whether the place of meiosis differs in the life cycle of animals and most plants.
Introduction:
The cell can divide through two processes: meiosis and mitosis. Meiosis is the process in which a single cell divides and undergoes the division twice. It gives rise to four haploid cells that contain half the amount of genetic material present in the parent cell. That is why it is also called reductional division. It always occurs during the formation of gametes.
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What is the purpose of meiosis? In other words, why create haploid cells?
How does meiosis maintain the number of chromosomes in a sexually reproducing species?
Why is meiosis necessary in sexual reproducing organisms?
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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- Why is meiosis important for the maintenance of the normal quantity of chromosomes of a species with sexual reproduction?arrow_forwardDuring which phase of meiosis does ploidy reduction occur? Does ploidy reduction occur in mitosis?arrow_forwardHow do the stages of mitosis and meiosis occur in a specific order and never alternate?arrow_forward
- Which statement is true of meiosis? 1)two identical cells in both divisions 2)the first division produces haploid cells and the second produces diploid cells 3)the first division produces diploid cells and the second produces haploid cells 4) the products of both meiotic divisions are haploidarrow_forwardWhat would happen to the chromosome number in gametes and offspring if gametes were formed by the mitotic process instead of the meiotic process?arrow_forwardHow many chromosomes does the original parent cells have at the end of meiosis? Are the daughter cells diploid or haploid?arrow_forward
- During which meiosis division does ploidy reduction occur? Does ploidy reduction occur in mitosis?arrow_forwardWhat are the respective functions of the separation of homologous chromosomes and of the separation of identical chromatids in meiosis?arrow_forwardHow does the role of meiosis in gamete production differ between organisms with a diploid-dominant life cycle and organisms with an alternation of generations life cycle?arrow_forward
- What is the main reason for meiosis in animals? What is the main reason for mitosis in animals?arrow_forwardIn which meiotic division does the separation of identical chromatids occur? After the end of this process what are the ploidies of the new cells?arrow_forwardwhy must sexually reproducing organisms use both processes of mitosis and meiosis, while asexually reproducing organisms only use mitosis?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