Biology: The Unity and Diversity of Life (MindTap Course List)
14th Edition
ISBN: 9781305073951
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 12, Problem 8SQ
Summary Introduction
Introduction: Cell division is the process where the cells divide to produce two or more daughter cells. There are mainly two types of cell division, namely Mitosis and Meiosis. Mitosis involves the division of a single cell into two identical daughter cells. Meiosis involves the production of the sex cells-sperms and eggs. This process involves the division of a single cell twice to produce four daughter cells, which exactly contains half the original chromosomes. There are two phases of meiosis, namely meiosis I and meiosis II.
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Which of the following can occur by the process of meiosis but not mitosis?
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Haploid cells fuse to form diploid cells
B.
Diploid cells form haploid cells
C.
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In animals, which of the following distinguishes meiosis from mitosis?
a. Meiosis is a form of asexual division, whereas mitosis is a form of sexual division.
b. In mitosis, single loops of DNA are copied, whereas meiosis involves multiple linear chromosomes.
O c. Mitosis is used for the repair of cells, whereas meiosis creates cells for sexual reproduction.
d. Mitosis occurs in prokaryotic cells, whereas meiosis occurs in eukaryotic cells.
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Chapter 12 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 12 - One evolutionary advantage of sexual over asexual...Ch. 12 - Meiosis is a necessary part of sexual reproduction...Ch. 12 - Meiosis _________. a. occurs in all eukaryotes b....Ch. 12 - Sexual reproduction in animals requires ______. a....Ch. 12 - Meiosis ______ the parental chromosome number. a....Ch. 12 - Dogs have a diploid chromosome number or 78. How...Ch. 12 - The cell in the diagram to the right is in...Ch. 12 - Prob. 8SQCh. 12 - Prob. 1DAACh. 12 - Prob. 2DAA
Ch. 12 - Prob. 3DAACh. 12 - Prob. 9SQCh. 12 - Crossing over mixes up ______. a. chromosomes b....Ch. 12 - Crossing over happens during which phase of...Ch. 12 - Which of the following is one of the very...Ch. 12 - Match each term with the best description. __...Ch. 12 - ________ contributes to variation in traits among...Ch. 12 - The diploid chromosome number for the body cells...Ch. 12 - In your own words, explain why sexual reproduction...Ch. 12 - Different populations of the tiny freshwater...Ch. 12 - Make a simple sketch of meiosis in a cell with a...
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- Identify if the description below happens in meiosis, mitosis, or botharrow_forwardSalient similarities are found in cell divisions. For instance, which phase of meiosis I is most similar to the comparable phase in mitosis? a. none b. Telophase 1 c. Anaphase 1 d. Prophase 1 e. Metaphase 1arrow_forwardHumans produce skin cells by mitosis and gametes by meiosis. Which of the following statements about the nuclei of skin cells is correct? a. They contain half as much DNA as the nuclei of gametes produced by meiosis. b. They contain four times as much DNA as the nuclei of gametes produced by meiosis. c. They contain the same amount of DNA as the nuclei of gametes produced by meiosis. d. They contain twice as much DNA as the nuclei of gametes produced by meiosis.arrow_forward
- Which of the following is/are reason(s) that sells an organism would undergo mitosis? A. During organismal growth(for multicellular organisms). B. During wound heal. C. When mutation develop in genes that caused the cell to self-destruct. D. To make haploid gametes.arrow_forwardIf a cell has completed the first meiotic division and is just beginning meiosis II, which of the following is an appropriate description of its contents? a. It has half the amount of DNA as the cell that began meiosis. b. It has the same number of chromosomes but each of them has different alleles than another cell form the same meiosis. c. If has half the chromosomes but twice the DNA of the originating cell. d. It is identical in content to another cell form the same meiosis. e. It has twice the amount of DNA as the parent cell.arrow_forwardThe ploidy, and chromosome number of a cell that is 2n = 46 is: a. Haploid and the chromosome number is 46 b. Diploid and the chromosome number is 23 c. Haploid and the chromosome number is 96 d. Diploid and the chromosome number is 46arrow_forward
- Polyploidy can occur by either fertilization of two unreduced gametes or by endoreduplication of an otherwise normal zygote prior to cell division. In which of the following types of organism is this most often observed? a. Prokaryotes b. Plants c. Animals d. Mammals e. Aliens from outer spacearrow_forwardCells represented in stage 2 are Select one: a. haploid cells b. polyploid cells c. gametes d. somatic cellsarrow_forwardThe amount of DNA in a diploid organism somatic cell prior to DNA replication is the same as the amount of DNA in one of its: a. germ cells at metaphase of meiosis I b. germ cells at prophase of meiosis I c. germ cells that have completed meiosis I, but have not yet started meiosis II d. germ cells that have completed meiosis II (mature gametes)arrow_forward
- Assume that a particular human cell is examined under a microscope, and it contains 22 autosomes and a Y chromosome. This cell is most likely to be: A. a gamete of a female B. a zygote C. a sperm cell. D. a polyploid cell E. a somatic cell of a malearrow_forwardIn comparing somatic cells and gametes, somatic cells are a. diploid with half the number of chromosomes. b. haploid with half the number of chromosomes. c. diploid with twice the number of chromosomes. d. haploid with twice the number of chromosomes.arrow_forwardAll of the following is significant application of mitosis except. a. Cloning b. Budding c. Formation of Gametes d. Stem Cell Regeneration If 6 cells undergoing celll division has 12 chromosomes, how many chromosome will there be in the daughter cells after mitosis and meiosis II respectively? a. 6 and 12 b. 12 and 6 c. 6 and 3 d. 6 and 6 In meiosis, the number of chromosomes of the mother cell compared to the resultant daughter cell's chromosome is A. doubled B. halved C. tripled D. the same Elongation of the cell undergoing the last phases of mitosis is due to A. movement of the chromosomes to the opposite poles B. increase in the volume of the cytoplasm that should be contained C. depolymerization of the spindle fibers connected to the kinetochore D. polymerization of the spindle fibers not connected to the kinetochorearrow_forward
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