Biological Science
5th Edition
ISBN: 9780321743671
Author: Scott Freeman
Publisher: PEARSON
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Chapter 27, Problem 13TYPSS
Summary Introduction
Introduction:
Differentiation is the process by which any cell acquires certain structural changes to perform a specific function. Mutation is any alteration in gene sequence. Plants have more chances of developing a polyploid due to non- segregation of chromosomes during gamete formation.
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Students have asked these similar questions
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.
If 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.
What is a main difference between onion root tip (plant cell) mitosis and whitefish blastula (animal cell) mitosis?
A. The DNA is animal cells is inside of a nucleus but there is no nucleus in plant cells.
B. A cleavage furrow is not formed in plant cells due to the rigid cell wall.
C. Plant cells do not have DNA and animal cells do.
D. Plant cells have undergo prophase where they condense their chromosomes but animal cells skip this step.
Chapter 27 Solutions
Biological Science
Ch. 27 -
1. What distinguishes a morphospecies?
a. It has...Ch. 27 - 2. Which of the following describes vicariance?
a....Ch. 27 - The biological species concept can be applied only...Ch. 27 - True or False? Gene flow increases the divergence...Ch. 27 - 5. When the ranges of two different species meet,...Ch. 27 - 7. QUANTITATIVE If one species (2n = 10) crosses...Ch. 27 - Prob. 15TYPSSCh. 27 - Prob. 16TYPSSCh. 27 - Prob. 3TYKCh. 27 -
5. Why is “reinforcement" an appropriate name for...
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- In 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_forwardWhich of the following is the primary difference between mitosis and meiosis? A. Meiosis occurs in somatic cells, whereas mitosis is only used to produce germ cells. B. Mitosis occurs in somatic cells, whereas meiosis is only used to produce germ cells. C. Meiosis always occurs much more quickly than mitosis. D. Only meiosis includes a separation division step, which occurs during Meiosis I.arrow_forwardHow do telophase I and telophase II differ during meiosis in animal cells? a. Cells remain diploid at the end of telophase I, but are haploid at the end of telophase II. b. Daughter cells form a cell plate to divide during telophase I, but divide by cytokinesis during telophase II. c. Cells enter interphase after telophase I, but not after telophase II. d. Chromosomes can remain condensed at the end of telophase I, but decondense after telophase II.arrow_forward
- 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_forwardFor most dividing cells in a diploid organism, the time spent in mitosis is approximately 4% of the total time of the cell cycle. In a population of continually dividing cells isolated from this organism, most of the cells would... A.have highly condensed chromatin. B. be in interphase (G1 or S or G2). C. be in mitosis. D. be in meiosis.arrow_forwardGive a clear explanation answer....no need handwritten ...arrow_forward
- Chromosome duplications often result in abnormal phenotypes because a. developmental processes depend on the relative amounts of proteins encoded by different genes.b. extra copies of the genes within the duplicated region do not pair in meiosis.c. the chromosome is more likely to break when it loops in meiosis.d. extra DNA must be replicated, which slows down cell division.arrow_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_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
- Why is parthenogenesis in bees considered to be a form of asexual reproduction? Select one: a. The male drone is made from a haploid egg. Fertilization is not part of the process to make a male drone. b. The formation of the original haploid cell was achieved using binary fission. c. Although genetic material is transferred from one cell to another using conjugation, the resulting cells will be identical to each other. d. The haploid male bees were made through the process of meiosis, so they are identical to the parent egg cell.arrow_forwardA mature female tiger, with 38 diploid chromosomes in each somatic cell, produces haploid oocytes (egg cells) with how many chromosomes per cell? A. 18 autosomes, and 1 sex-determining chromosome (Y) B. 36 autosomes, and 2 sex-determining chromosomes (XX) C. 18 autosomes, and 1 sex-determining chromosome (X) D. 34 autosomes, and 2 sex-determining chromosomes (XY) E. 17 autosomes, and 1 sex-determining chromosome (X)arrow_forwardThe following image shows one specific stage of meiosis. Which of the following correctly states what is occurring in this stage? A. Microtubules have begun to pull sister chromatids apart, pulling them toward the poles of the cells. There are two cells at this stage. B. Microtubules have begun to pull homologous chromosomes apart, pulling them toward the poles of the cell. There is only one cell at this stage. C. Microtubules have attached to the chromosomes. Homologous chromosomes are aligned at the midpoint of the cell. There is only one cell at this stage. D. The chromosomes have reached the poles of the cell. There are technically two cells, but cytokinesis has begun in each.arrow_forward
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Endosymbiotic Theory; Author: Amoeba Sisters;https://www.youtube.com/watch?v=FGnS-Xk0ZqU;License: Standard Youtube License