Biology: Concepts and Investigations
5th Edition
ISBN: 9781260259049
Author: Hoefnagels
Publisher: MCG
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Textbook Question
Chapter 20, Problem 6MCQ
A dikaryoric cell develops into a zygote when
- a. mitosis divides the two nuclei into separate cells, which then combine at fertilization.
- b. mitosis occurs without cytokinesis.
- c. the two haploid nuclei within the cell fuse.
- d. meiosis occurs once and cytokinesis occurs twice.
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Students have asked these similar questions
This cell process illustrates
a. meiosis
b. interphase
c. mitosis
d. cytokinesis
Haploid cells have copy/ies of each type of chromosome, while diploid cells have copy/ies of each chromosome.
A.
One; two
B.
Two; four
C.
Responses depend on whether the cell is undergoing mitosis
D.
Responses depend on what stage of the cell cycle the cell is in
Which of the following can occur by the process of meiosis but not mitosis?
A.
Haploid cells fuse to form diploid cells
B.
Diploid cells form haploid cells
C.
A diploid cell combines with a haploid cell
D.
Haploid cells multiply into more haploid cells
Chapter 20 Solutions
Biology: Concepts and Investigations
Ch. 20.1 - Prob. 1MCCh. 20.1 - Prob. 2MCCh. 20.1 - Prob. 3MCCh. 20.1 - Prob. 4MCCh. 20.1 - Prob. 5MCCh. 20.2 - Prob. 1MCCh. 20.2 - Prob. 2MCCh. 20.3 - Prob. 1MCCh. 20.3 - Prob. 2MCCh. 20.3 - Prob. 3MC
Ch. 20.4 - Prob. 1MCCh. 20.4 - Prob. 2MCCh. 20.5 - Prob. 1MCCh. 20.5 - Prob. 2MCCh. 20.5 - Prob. 3MCCh. 20.6 - Prob. 1MCCh. 20.6 - Prob. 2MCCh. 20.6 - Prob. 3MCCh. 20.6 - Prob. 4MCCh. 20.7 - Prob. 1MCCh. 20.7 - Prob. 2MCCh. 20.7 - Prob. 3MCCh. 20.7 - Prob. 4MCCh. 20.7 - How do scientists use lichens to monitor...Ch. 20.8 - Prob. 1MCCh. 20.8 - How would you design an experiment to determine...Ch. 20 - Prob. 1MCQCh. 20 - Prob. 2MCQCh. 20 - Prob. 3MCQCh. 20 - Prob. 4MCQCh. 20 - Fungi are considered __ because they get their...Ch. 20 - A dikaryoric cell develops into a zygote when a....Ch. 20 - Prob. 7MCQCh. 20 - Prob. 8MCQCh. 20 - Prob. 9MCQCh. 20 - Prob. 1WIOCh. 20 - Prob. 2WIOCh. 20 - Prob. 3WIOCh. 20 - Prob. 4WIOCh. 20 - Prob. 5WIOCh. 20 - Prob. 6WIOCh. 20 - Review figure 19.5, which shows the alternation of...Ch. 20 - Prob. 8WIOCh. 20 - Prob. 9WIOCh. 20 - Prob. 10WIOCh. 20 - Prob. 11WIOCh. 20 - Prob. 12WIOCh. 20 - Each ascus within an ascomycete fruiting body...Ch. 20 - Prob. 14WIOCh. 20 - Prob. 15WIOCh. 20 - Some endophytes produce compounds that fight...Ch. 20 - Prob. 17WIOCh. 20 - Prob. 18WIOCh. 20 - Prob. 19WIOCh. 20 - Prob. 1PITCh. 20 - Prob. 2PITCh. 20 - Prob. 3PIT
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- How would each of the following events affect the outcome of mitosis or meiosis? a. Mitotic cohesin fails to form early in mitosis. b. Shugoshin is absent during meiosis. c. Shugoshin does not break down after anaphase I of meiosis. d. Separase is defective.arrow_forwardAsaparrow_forwardThe haploid genome of Toxoplasma gondii has 14 chromosomes. When an oocyst changes into a sporozoite, its nucleus contains Select one: a. 7 chromosomes b. 42 chromosomes c. 28 chromosomes d. 14 chromosomesarrow_forward
- Which of the following statements about mitosis is incorrect? a. Microtubules from the spindle poles attach to the kinetochores on the chromosomes. b. In anaphase, the spindle separates sister chromatids and pulls them apart. c. In metaphase, spindle microtubules align the chromosomes at the spindle midpoint. d. Cytokinesis describes the movement of chromosomes. e. Both the animal cell furrow and the plant cell plate form at their former spindle midpoint.arrow_forwardA cell is shown during the anaphase stage of mitosis. Which of the following statements best explains what would be different if the diagram showed anaphase I of meiosis instead of anaphase of mitosis? Select one: a. Homologous chromosomes would be moving to the same end of the cell. b. Homologous chromosomes would form a tetrad. c. Each chromosome would have two sister chromatids. d. The sister chromatids would be pulled apart.arrow_forwardIn 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.arrow_forward
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