Human Biology
16th Edition
ISBN: 9781260482799
Author: Mader, Sylvia
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Textbook Question
Chapter 19.4, Problem 2CYP
Explain how meiosis reduces the likelihood that gametes will have the same combination of chromosomes and genes.
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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.
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List and describe two specific differences between meiosis I and meiosis II.
Describe each stage of Meiosis:
MEIOSIS I
PROPHASE 1-
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ANAPHASE 1-
TELOPHASE 1-
MEIOSIS II
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METAPHASE II-
ANAPHASE II-
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Chapter 19 Solutions
Human Biology
Ch. 19.1 - Distinguish between a chromosome and chromatin.Ch. 19.1 - Prob. 2LOCh. 19.1 - Prob. 3LOCh. 19.1 - Prob. 1CYPCh. 19.1 - Prob. 2CYPCh. 19.1 - Prob. 3CYPCh. 19.2 - Prob. 1LOCh. 19.2 - Prob. 2LOCh. 19.2 - Prob. 3LOCh. 19.2 - Describe the cell cycle, and list the locations of...
Ch. 19.2 - Prob. 2CYPCh. 19.2 - Prob. 3CYPCh. 19.2 - Summarize why external controls may be necessary...Ch. 19.3 - Prob. 1LOCh. 19.3 - Prob. 2LOCh. 19.3 - Prob. 3LOCh. 19.3 - Prob. 1CYPCh. 19.3 - Prob. 2CYPCh. 19.3 - Prob. 3CYPCh. 19.4 - Prob. 1LOCh. 19.4 - Prob. 2LOCh. 19.4 - Prob. 3LOCh. 19.4 - Prob. 1CYPCh. 19.4 - Explain how meiosis reduces the likelihood that...Ch. 19.4 - Prob. 3CYPCh. 19.4 - Compare and contrast the stages of oogenesis and...Ch. 19.5 - Prob. 1LOCh. 19.5 - Prob. 2LOCh. 19.5 - List the similarities and differences between...Ch. 19.5 - Prob. 2CYPCh. 19.5 - Prob. 3CYPCh. 19.6 - Prob. 1LOCh. 19.6 - Describe the causes and consequences of trisomy...Ch. 19.6 - Prob. 3LOCh. 19.6 - 4. Describe the effects of deletions,...Ch. 19.6 - Prob. 1BTSCh. 19.6 - Prob. 2BTSCh. 19.6 - Prob. 1CYPCh. 19.6 - Prob. 2CYPCh. 19.6 - Prob. 3CYPCh. 19.6 - Prob. 4CYPCh. 19 - Prob. 1ACh. 19 - 2. Which of the following is/are produced by the...Ch. 19 - 3. Label the drawing of the cell cycle: then list...Ch. 19 - 4. At which of the following checkpoints is the...Ch. 19 - ...Ch. 19 - ...Ch. 19 - a. metaphase
b....Ch. 19 - ...Ch. 19 - metaphase
prornetaphase
telophase
prophase c....Ch. 19 - 10. If a parent cell has a diploid number of 18...Ch. 19 - 11. If a parent cell has 22 chromosomes. the...Ch. 19 - 12. Crossing-over occurs between
sister chromatids...Ch. 19 - 13. Which of these helps provide genetic...Ch. 19 - 14. Polar bodies are produced during
DNA...Ch. 19 - 15. The pairing of homologous chromosomes occurs...Ch. 19 - 16. Sister chromatids separate during anaphase of...Ch. 19 - 17. Monosomy or trisomy occurs because...Ch. 19 - 18. A person with Klinefelter syndrome is and...Ch. 19 - Prob. 1TCCh. 19 - Prob. 2TCCh. 19 - Prob. 3TCCh. 19 - Prob. 4TC
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- The part of meiosis that is similar to mitosis is_______. a. meiosis I b. anaphase I c. meiosis II d. interkinesisarrow_forwardExplain the significance of events occurring in each phase of meiosis.arrow_forwardDescribe how meiosis provides for genetic variability.If an animal had a haploid number of two (no sex chromosomes), how many genetically different gametes could it produce? (Assume no crossing over.) What if it had a haploid number of five?arrow_forward
- Compare and contrast phases of meiosis I with phases of meiosis II in terms of the events taking place and the behaviour of chromosomes.arrow_forwardHow would the mutation of a single chromosome in metaphase 1 of meiosis affect the process of meiosis? Use a simple cell with two chromosomes, what is the ratio of gametes with the mutation vs without the mutation?arrow_forwardList 3 important events that occur during meiosis and provide a justification why each should happen at a specific stage.arrow_forward
- Give a detailed description of all the phases of meiosisarrow_forwardDiagram how nondisjunction in meiosis I or II can resultin extra or missing chromosomes in reproductive cells(gametes)arrow_forwardDescribe the different events in meiosis that result ingenetic variation among gametes.arrow_forward
- Describe the key chromosome behaviors during meiosis that lead to haploid gametes.arrow_forwardNon disjunction occurs when chromosomes fail to separate during meiosis, resulting in an abnormal number of chromosomes in the gametes. Assume an animal species has a diploid number of 4. Describe and/or show what the normal gametes would be like, and what would result from non disjunction in meiosis one, and what would result from non disjunction in meiosis two. You may use a drawing as part of your answer, but a drawing alone is not sufficient.arrow_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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