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Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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1. How would a tubal ligation or vasectomy influence meiosis in individuals who elected to have one of these operations?
2. Synapsis of homologous chromosomes is perhaps the most important event in meiosis. What is it and what does it do?
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- 11.What features of meiosis allow for independent assortment of chromosomes? A.separation of sister chromatids B.reduction of chromosome number from diploid to haploid C.random alignment of homologous chromosome pairs on the metaphase plate D.both the separation of sister chromatids and the reduction of chromosome number from diploid to haploidarrow_forwardWhat is true of meiosis?1.Meiosis produces four daughter cells.2.The daughter cells that result from meiosis are diploid.3.The daughter cells that result from meiosis are identical.4.The number of chromosomes present in the parent cell is maintained in the daughter cells.arrow_forward1. What is meiosis?2. What specific cells in the body divide through this process?3. Meiosis involves two successive cell divisions. Which of the two is mitotic in nature? Why?4. What particular event in meiosis results to genetic variation? Why?5. Is there a possibility that a problem may occur at any stage of meiosis? If so, what is it and how does itaffect the organism?6. The cells produced after meiosis are haploid, how do these cells restore or maintain the normalchromosome number of the species?7. Why do you think mitosis and meiosis important in the life cycle of an organism?arrow_forward
- At the end of meiosis I, which of the following remains attached? A. Sister chromatids B. Homologous chromosomes C. Tetrads 36arrow_forward11. A) Why do we generally see animals with eggs and sperm for gametes (i.e., why do we have two sexes)? B) Why is the sex ratio usually 1 to 1 (use an ESS argument in your answer)?arrow_forward1. What are the importance of meiosis?2. Distinguish between mitosis and meiosis.arrow_forward
- 9. Which of the following statements about meiosis is correct? A. Gametes are haploid cells generated by meiosis. B. There is no change in the number of chromosomes during meiosis I and II. C. All the body cells can undergo meiosis. D. A primary spermatocyte is produced by meiosis. E. There are three rounds of meiotic division.arrow_forwardexplain at least 3 difference between mitosis and meiosis, Explain the processes of how meiosis guarantees genetic variation in the gametes and when do these processes happen in meiosis?arrow_forward1a. What is chromosomal formation called? 2b. When specifically was it formed? 3c. Would it be found in a haploid or diploid cell?arrow_forward
- 20 Nondisjunction that produces a TRISOMY at fertilization can occur: Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a Meiosis 1 Meiosis 2 either Meiosis 1 or 2 d. neither Meiosis 1 nor Meiosis 2arrow_forward5. Analyze the following statements and identify which statement is correct. a. Mitosis is responsible for the formation of gametes b. Meiosis is responsible for the formation of somatic and Mitosis is responsible for the formation of gametes cells c. Meiosis is responsible for the formation of gametes and somatic cells d. Meiosis is responsible for the formation of gametes and Mitosis is responsible for the formation of somatic cellsarrow_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_forward
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