Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Chapter 16, Problem 9TY
Summary Introduction
Introduction: The production of haploid cells that were originally diploid is called meiosis. The chromosomes should be correctly sorted and distributed in order to produce haploid cells. Meiosis plays an important role in the process of sexual reproduction. The phenomenon of crossing over is more commonly observed in case of meiosis as compared to mitosis.
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During________ of meiosis I, homologous chromosomes form structures called______ . These structures are the sites of what event?_________
a. What phase of meiosis is this cell undergoing?
b. Identify the 3 things that are incorrect in terms of this cells structure and organization?
c. Would this cell produce viable gametes? Why or why not.
The process of meiosis ensures that organisms will have
a. The same diploid number its parents have.
b. Different numbers of chromosomes from what are parents have.
c. The ability to reproduce by budding.
d. A different haploid number from what its parents have.
e. Splits into two daughter cells.
Chapter 16 Solutions
Biology
Ch. 16.1 - Researchers usually treat cells with drugs that...Ch. 16.1 - Which phases make up interphase?Ch. 16.1 - Prob. 1CSCh. 16.1 - Prob. 1EQCh. 16.1 - The Eukaryotic Cell Cycle CoreSKILL What...Ch. 16.1 - Prob. 3EQCh. 16.2 - Prob. 1CCCh. 16.2 - Mitotic Cell Division Concept Check: What are the...Ch. 16.3 - Core Skill: Modeling The goal of this modeling...Ch. 16.4 - Sexual Reproduction Concept Check: What is the...
Ch. 16.5 - Variation in Chromosome Structure and Number...Ch. 16 - Prob. 1TYCh. 16 - Prob. 2TYCh. 16 - Prob. 3TYCh. 16 - Prob. 4TYCh. 16 - Prob. 5TYCh. 16 - Which of the following is not an event of anaphase...Ch. 16 - Prob. 7TYCh. 16 - Which of the following statements accurately...Ch. 16 - Prob. 9TYCh. 16 - Aneuploidy may be the result of a. duplication of...Ch. 16 - Prob. 1CQCh. 16 - Prob. 2CQCh. 16 - Prob. 3CQCh. 16 - Prob. 1COQCh. 16 - A diploid eukaryotic cell has 10 chromosomes (5...
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- Chiasmata: a. form during metaphase II of meiosis. b. occur between two nonhomologous chromosomes. c. represent chromosomes independently assorting. d. are sites of DNA exchange between homologous chromatids. e. ensure the resulting cells are identical to the parent cell.arrow_forwardAt which stage of meiosis are sister chromatids separated from each other? a. prophase I b. prophase ll c. anaphase I d. anaphase llarrow_forwardDuring meiosis I, which structures separate? A. Sister chromatids B. Homologous chromosomes C. Both A and B D. Neither A nor Barrow_forward
- At the end of meiosis in humans, four gametes are produced that are: A. Genetically identical to each other and to the parent cell B. Genetically identical to each other but genetically different from the parent cell C. Genetically different from each other and the parent cell D. Genetically identical to the parent cell from different from each otherarrow_forwardIn humans, sexual reproduction that produces an embryo, which then develops into a fetus, requires: a. Neither mitosis or meiosis b. Mitosis c. Both mitosis and meiosisarrow_forwardA. In the beginning of meiosis II, each chromosome is duplicated and attached. These chromosomes are called? _______ B. In meiosis, the process of homologous chromosomes lining up together side-by-side is called ___________arrow_forward
- What separates during anaphase of Meiosis I? a Pairs of sister chromatids from homologous pairs of sister chromatids (i.e. homologues separate) b Sister chromatids separate from one another c Nucleoids separate form one another d The two strands of DNA separate from one anotherarrow_forwardWhich of the following occurs in meiosis I?a. All chromosomes duplicate.b. Homologous chromosomes randomly orient themselves on the metaphase plate, called independent assortment.c. The duplicated sister chromatids separate.d. The original cell divides into four diploid cells.arrow_forwardMitosis differs from meiosis in the following ways EXCEPT:(a) Mitosis results in a full complement of chromosomesin two cells, whereas meiosis results in four cells havinghalf the number of chromosomes.(b) In mitosis, all chromosomes are replicated, whereas inmeiosis, only half are replicated.(c) Mitosis only occurs in somatic or body cells, whereasmeiosis occurs in production of gametes or sex cells.(d) None of the above.(e) a and c onlyarrow_forward
- How many sets of human chromosomes are in each of the following cell types? a. an oogonium b. a primary spermatocyte c. a spermatid d. a cell from either sex during anaphase of meiosis I e. a cell from either sex during anaphase of meiosis II f. a secondary oocytearrow_forwardIf a diploid organism has 14 chromosomes (2n=14) a. How many chromosomes will its gametes have? b. After meiosis I during gamete formation, how many chromosomes are in each daughter cell? c. After meiosis I during gamete formation, how many chromatids are in each daughter cell?arrow_forwardWhat is the fundamental difference between mitosis and meiosis? A. DNA is replicated twice in meiosis, but only once in mitosis. B. The number of DNA molecules per cell nucleus is cut in half in meiosis but remains constant in mitosis. C. The number of chromosomes doubles in meiosis, whereas it stays the same in mitosis. D. Mitosis involves two cell divisions, whereas meiosis only involves one.arrow_forward
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