Human Biology: Concepts and Current Issues (8th Edition)
8th Edition
ISBN: 9780134042435
Author: Michael D. Johnson
Publisher: PEARSON
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Textbook Question
Chapter 17, Problem 5CR
Explain why only one large egg is formed during meiosis in the female, whereas four sperm are formed during meiosis in the male.
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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 haploid
Describe two major ways in which the offspring cells of meiosis differ from the offspring cells at the end of mitosis. (Complete sentences)
1)
2)
Which statement does not accurately describe what occurs during the process of meiosis?
A) All stages of meiosis follow DNA replication.
B) Meiosis produces gametes with the haploid chromosome number.
C) Meiosis produces four identical gametes, either egg or sperm.
D) Genetic variation among sexually reproducing organisms is enhanced by meiosis.
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Chapter 17 Solutions
Human Biology: Concepts and Current Issues (8th Edition)
Ch. 17 - How do you feel about the creation and then...Ch. 17 - How far should we go–to what lengths and at what...Ch. 17 - Describe how DNA is replicated before cell...Ch. 17 -
2. Compare and contrast the processes of...Ch. 17 - Explain what mutations are and the role of DNA...Ch. 17 - Name the four phases of mitosis and describe...Ch. 17 -
5. Explain why only one large egg is formed...Ch. 17 - Describe what is meant by selective gene...Ch. 17 - Explain how factors present in the environment can...Ch. 17 - Describe how ribosomes contribute to the formation...
Ch. 17 - Prob. 9CRCh. 17 - Prob. 10CRCh. 17 - What would be the outcome if a cell completed...Ch. 17 - Prob. 2TYCh. 17 - Prob. 3TYCh. 17 - Prob. 4TYCh. 17 - Which of the following are listed in order from...Ch. 17 - Prob. 6TYCh. 17 - Which is likely to be the shortest chain of...Ch. 17 - How many different amino acids could be encoded if...Ch. 17 - Prob. 9TYCh. 17 - Why do cells within an organism differentiate,...Ch. 17 - Which method of cloning is most similar to the way...Ch. 17 - Prob. 12TYCh. 17 - Prob. 13TYCh. 17 - Prob. 14TYCh. 17 -
15. How does the production of sperm differ from...Ch. 17 - Prob. 1AWKCh. 17 - Prob. 2AWKCh. 17 - Prob. 3AWKCh. 17 - Prob. 4AWKCh. 17 - Mitochondria contain their own DNA that is...Ch. 17 - Bacteria can reproduce by simple cell division....
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- Describe the events of meiosis I and meiosis II. How arethe cells produced by meiosis I different from the cellsproduced by meiosis II?arrow_forwardMale honeybees, which are haploid, produce sperm by meiosis.Explain what unusual event (compared with other animals) mustoccur during spermatogenesis in honeybees to produce sperm.Does this unusual event occur during meiosis I or meiosis II?arrow_forwardPhases of meiosis Anaphase I a) Homologous pairs separate. b ) Chromosomes are still double.arrow_forward
- During oogenesis, meiosis results in:A) four equally sized cells that stop dividing in meiosis 1B) 2 equally sized cells, but only one that is typically fertilizedC) 2 equally sized cells that are both typically fertilizedD) 2 or 3 small cells and one large cell that develops further if fertilizedarrow_forwardDescribe the events taking place during meiosis? What are the different phases? What is the chromosomal content of the final product? Why must this occur to make a chromosomally viable human?arrow_forwardBriefly describe the process of meiosis, mentioning a hallmark event that occurs during each phase.arrow_forward
- Distinguish between the following terms: somatic cell and gamete; autosome and sex chromosomes; haploid and diploid. Describe the events that characterize each phase of meiosis. Describe three events that occur during meiosis I but not mitosis. Name and explain the three events that contribute to genetic variation in sexually reproducing organisms.arrow_forwardExamine the diagram below and answer the following questions. a) What specific stage of meiosis is this cell in? b) Exactly how many chromosomes will be in each of the 4 resulting gametes?arrow_forwardFertilization is the fusion of haploid gametes, ovum and spermatozoon, to form a diploid zygote. Discuss physiologic mechanisms in the male and the female that make sure that indeed only one sperm fertilizes a single eggarrow_forward
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