BIOLOGY (LL)
11th Edition
ISBN: 9781260451122
Author: Raven
Publisher: MCG
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Textbook Question
Chapter 33, Problem 3U
In animal sexual reproduction the gametes are formed by the process of
a. meiosis.
b. mitosis.
c. fusion.
d. binary fission.
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The number of chromosomes present in eukaryotic cells
a. is consistent during the life cycle
b. is haploid among asexually reproducing forms and diploid if the reproduce sexually
c. is double by fertilization and cut in half by meiosis
d. is dependent on the age of the tissue
Which of the following statements CORRECTLY describes the contribution of sperm to thezygote for most vertebrate species?A. flagella, acrosome vesicle,B. mitochondria, haploid DNAC. centriole, haploid DNAD. acrosome vesicle, mitochondria
In 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 meiosis
Chapter 33 Solutions
BIOLOGY (LL)
Ch. 33 - Prob. 1UCh. 33 - Animals are unique in the fact that they possess...Ch. 33 - In animal sexual reproduction the gametes are...Ch. 33 - The evolution of bilateral symmetry was a...Ch. 33 - A fluid-filled cavity that develops completely...Ch. 33 - Which of the following statements is NOT true...Ch. 33 - Which of the following characteristics is used to...Ch. 33 - With regard to classification of animals, the...Ch. 33 - The coelom a. is a synapomorphy for the clade...Ch. 33 - A coelomate organism may have which of the...
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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.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_forwardThe difference between asexual and sexual reproduction is that A. asexual reproduction occurs only in haplontic organisms, whereas sexual reproduction occurs only in diplontic organisms. B. asexual reproduction results from meiosis, whereas sexual reproduction results from mitosis. C. asexual reproduction occurs only in bacteria, whereas sexual reproduction occurs in plants and animals. O D. asexual reproduction results from the fusion of two gametes, whereas sexual reproduction produces clones of the parent organism. O E. asexual reproduction results in an organism that is identical to the parent, whereas sexual reproduction results in an organism that is not identical to either parent.arrow_forward
- Which statement about meiosis (in humans) is FALSE? Select one: a. It reduces the amount of genetic material (chromosomes) by half b. It is part of the process of sexual reproduction c. The cells it produces are identical to each other d. It produces haploid gametes e. It occurs only in germline cells of the reproductive organsarrow_forwardWhich of the following mechanisms contributes to genetic variation through sexual reproduction via the random orientation of pairs of homologous chromosomes at metaphase of meiosis I? A. crossing over B. random fertilization C. independent assortment of chromosomes D. cytokinesisarrow_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_forward
- Cells that result from meiosis are: a. Diploid b. Haploid c. Zygotic d. Triploidarrow_forwardThe 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.arrow_forwardWhich of the following is an advantage of asexual reproduction over sexual reproduction? A. Asexual reproduction leads to offspring with high genetic diversity. B. Asexual reproduction requires a partner. C. The resulting offspring have no genetic diversity. D. Asexual reproduction does not require a partner.arrow_forward
- Which of the following correctly describes hermaphroditism? A. It is an example of sexual reproduction because it involves a male and a female. B. It is an example of asexual reproduction because only one individual needs to be involved. C. It is an example of sexual reproduction because it involves fusion of two gametes. D. It is an example of asexual reproduction because the offspring are genetically identical to the parent.arrow_forwardIn asexual reproduction a diploid individual would produce which of the following Group of answer choices A. haploid offspring through meiosis B. diploid offspring through mitosis C. haploid offspring through mitosis D. diploid offspring through meiosisarrow_forwardWhich of the following consequences of sexual reproduction is considered disadvantageous? A. More rapid evolution. B. Generation of novel genotypes. C. Clearance of deleterious mutations. D. Reduced relatedness.arrow_forward
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Reproduction: Crash Course Zoology #9; Author: CrashCourse;https://www.youtube.com/watch?v=poLyJDVjKlM;License: Standard youtube license