BIOLOGY:CONCEPTS+INVEST.-CONNECT ACCESS
5th Edition
ISBN: 9781260542233
Author: Hoefnagels
Publisher: MCG
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Chapter 9, Problem 1PIT
1. Review section 9.5 and the Survey the Landscape figure in the chapter introduction. What two processes in meiosis I generate
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1)Discusses why Meiosis I is referred to as reduction division and why Meiosis II is essentially like Mitosis.
2)Discusses where problems are likely to occur in Meiosis and what these problems could lead to.
3) For each cell below, identify the meiosis phase (meiosis I or II) and stage of meiosis it
is in (or if it is in interphase).
A.
1. Division of the cell nucleus, results in two daughter nuclei, each have the same number of chromosomes as
the parent nucleus.
2. One two identical halves of a duplicated chromosome.
3. Fusion of haploid (n) gametes; results in the formation of a diploid (2)n zygote.
4. The breaking and rejoining of homologous (non sister) chromatids during early meiotic prophase I, resulting
in an exchange of genetic material.
5. The diploid (2n) cell that results from the union of haploid (n) gametes in sexual reproduction.
6. The condition of having one set of chromosomes per nucleus.
7. The complex of DNA, proteins and some RNA that makes up eukaryotic chromosomes.
8. Structures in the cell nucleus, composed of chromatin and containing the genes.
9. An X-shaped site in a tetrad marking the location where homologous chromatids previously underwent
crossing over.
10. A sex cell; in plants and animals, an egg or sperm.
11. Type of reproduction in which two gametes (usually, but not necessarily,…
Chapter 9 Solutions
BIOLOGY:CONCEPTS+INVEST.-CONNECT ACCESS
Ch. 9.1 - Prob. 1MCCh. 9.1 - How can asexually reproducing organisms acquire...Ch. 9.1 - Prob. 3MCCh. 9.2 - Prob. 1MCCh. 9.2 - Prob. 2MCCh. 9.3 - How do haploid and diploid nuclei differ?Ch. 9.3 - Prob. 2MCCh. 9.3 - Prob. 3MCCh. 9.3 - Prob. 4MCCh. 9.4 - What happens during interphase
Ch. 9.4 - How do the events of meiosis I and meiosis II...Ch. 9.5 - Prob. 1MCCh. 9.5 - Prob. 2MCCh. 9.5 - How are identical twins different from fraternal...Ch. 9.6 - Prob. 1MCCh. 9.6 - In what ways are mitosis and meiosis different?Ch. 9.7 - Prob. 1MCCh. 9.7 - Prob. 2MCCh. 9.8 - What are the stages of sperm development in...Ch. 9.8 - Prob. 2MCCh. 9.8 - How does gamete production in plants differ from...Ch. 9.9 - Prob. 1MCCh. 9.9 - Prob. 2MCCh. 9 - Prob. 1MCQCh. 9 - Prob. 2MCQCh. 9 - Prob. 3MCQCh. 9 - Prob. 4MCQCh. 9 - Prob. 5MCQCh. 9 - Explain why evolution often selects traits that...Ch. 9 - Describe a situation in which asexual reproduction...Ch. 9 - Prob. 3WIOCh. 9 - Draw all possible metaphase I chromosomal...Ch. 9 - Prob. 5WIOCh. 9 - List examples of abnormalities in chromosome...Ch. 9 - Prob. 7WIOCh. 9 - Prob. 8WIOCh. 9 - 1. Review section 9.5 and the Survey the Landscape...Ch. 9 - 2. Fit the following terms into this concept map:...Ch. 9 - 3. Create a separate concept map that includes...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- 1. How does meiosis I differ from mitosis? What about meiosis II from mitosis? difference between meiosis l and mitosis? difference between meiosis ll and mitosis? 2. What is the relationship between meiosis and fertilization? 3. If cell division during gametogenesis is non-meiotic, what is its consequence to the future generations of diploid organisms? 4. How does non-disjunction in meiosis lead to numerical chromosomal aberration?arrow_forwardRefer to the drawings in the figure below of a single pair of homologous chromosomes as they might appear during various stages of either mitosis or meiosis II IV VI Which diagram represents anaphase I of meiosis? II IV O000arrow_forward1- what does the cell of cells look like right before the mistake this in meiosis I and meiosis II 2- what does the cell or cells look like during or after the mistake in meiosis I and meiosis IIarrow_forward
- Explain each division of Meiosis 2 1. prophase 2 2. metaphase 2 3. anaphase 2 4. telophase 2arrow_forwardList 2 events that occur during the process of meiosis that lead to genetically unique daughter cells (gametes).arrow_forwardFigure 13.6 Which of the following statements about nondisjunction is true? Nondisjunction only results in gametes with n+1 or n-1 chromosomes. Nondisjunction occurring during meiosis II results in 50 percent normal gametes. Nondisjunction during meiosis I results in 50 percent normal gametes. Nondisjunction always results in four different kinds of gametes.arrow_forward
- Which of the following statements is an incorrect description of the processes of mitosis or meiosis in a diploid organism? Multiple choice (one asnwer is correct) 1.Crossing over of chromosomes takes place in meiosis I but not in mitosis. 2.Sister chromatids separate in mitosis, and homologous chromosomes separate in meiosis II. 3.None of the above 4.Meiosis II occurs in a haploid cell, while mitosis occurs in diploid cells. 5.Homologous chromosomes align on the metaphase plate in meiosis I but not in mitosis.arrow_forward1.What happens during anaphase in mitosis, meiosis I, and meiosis II? What happens if the steps you just described do not occur correctly during meiosis? State the term for this sort of meiotic error and the term that describes the resulting daughter cells.arrow_forwardDiscuss why meiosis I is termed reduction division.arrow_forward
- . If you were asked to complete the table with the correct answer, which of the following table would you chose? А. CHITERIA MITOSIS MEIOSIS 1. Na. of nuciear dimsion 2. Syriapaia/crossing over ECentromere of suster chromatids atanaphase Preseut separates Fresent M-attached/M-separates Haploid S. Na of chromosomes per daughter cell 6 Function Diplaid Growth. Rapair Growth. Repair and Reproduction B. CRITERIA MITOSIS MEIOSIS TNo, af nuclear darinion Synapsin/croing over 3. Centromere af sister chromatids at anaphase Absetit sepiarates Fresent -attached FNo. of daughter cells 5. No. of chromosomes per daughter cell 6 Function Diploid Haploid Growth, Eapair Growth, Repair and Reproduction C. CRITERIA MITOSIS MEIOSIS 1. No. of muclear division 2. Synapsis/crossing over 3. Centromereof sister chromatids at anaphane 4 Na, af daughter cells 5. No. of chromosoetes per daughter cell 6 Punction Absent Present separates MI-attached/Mli-separates Haploid Diploid Gruwth, Repair Reproduction D.…arrow_forwardIf the amount of DNA in a diploid cell during G1 phase prior to meiosis I is 8 pg, how much DNA would be present in a daughter cell immediately following meiosis 1arrow_forwardWhat is the purpose of meiosis? (You may select more than one answer if you think multiple options are correct.) O To generate haploid gametes O To generate 2 identical cells To generate 4 identical cells O To generate diploid gametesarrow_forward
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