Loose Leaf For Integrated Principles Of Zoology
18th Edition
ISBN: 9781260411140
Author: Cleveland P Hickman Jr. Emeritus, Susan L. Keen, David J Eisenhour Professor PhD, Allan Larson, Helen I'Anson Associate Professor of Biology
Publisher: McGraw-Hill Education
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Chapter 7, Problem 6RQ
Summary Introduction
To describe: The disadvantages of sexual reproduction.
Introduction: Reproduction is the biological process through which new individual organisms are produced from their parents. It is the ubiquitous properties of life. It is essential for evolution, since the ceaseless replacement of predecessors with new life gives animal population. There are two types of reproduction namely asexual reproduction and sexual reproduction.
Summary Introduction
To describe: The advantages of sexual reproduction.
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Chapter 7 Solutions
Loose Leaf For Integrated Principles Of Zoology
Ch. 7 - Define asexual reproduction, and describe four...Ch. 7 - Prob. 2RQCh. 7 - Explain why genetic mutations in asexual organisms...Ch. 7 - Define the two reproductive strategies of...Ch. 7 - Define the terms dioecious and monoecious. Can...Ch. 7 - Prob. 6RQCh. 7 - What is a germ-cell line? How do germ cells pass...Ch. 7 - Explain how a spermatogonium, containing a diploid...Ch. 7 - Prob. 9RQCh. 7 - Name the general location and give the function of...
Ch. 7 - Prob. 11RQCh. 7 - What are the male sex hormones and what are their...Ch. 7 - Explain how the female hormones GnRH, FSH, LH, and...Ch. 7 - Explain the function of the corpus luteum in the...Ch. 7 - Describe the role of pregnancy hormones during...Ch. 7 - If identical human twins develop from separate...Ch. 7 - Fish and amphibians tend to have less complex...
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- Which of the following is a disadvantage of sexual reproduction? a.)Offspring can be reproduced more quickly than by sexual means b.)Two parents are required for making sex cells c.)Offspring are genetically different d.)Genetic diversity makes organism respond uniformly to environment changesarrow_forwardUnder what circumstances might asexual reproduction be more advantageous than sexual?arrow_forwardWhich of the following is an advantage of asexual reproduction over sexual reproduction?arrow_forward
- In a short essay (at least 10 well-defined sentences) Define Sex and Gender? What is the difference? Why can't we understand sex in terms of female and male or gender in terms of man and woman? Why can't we understand neither sex nor gender as binary? Give and shortly discuss at least 3 specific examples.arrow_forwardWhat are two processes of sexual reproduction that produce genetic variation?arrow_forwardDescribe what sexual dimorphism is and why its existence is puzzling.arrow_forward
- Which of the following is a advantage of asexual reproduction? a.)Same DNA being passed down-NO GENETIC VARIATION IN THE OFFSPRING b.)If parent has genetic disease offspring will have it too c.)Only one parent involved. No searching for mates d.)Requires more cellular energyarrow_forwardSexual reproduction results in offspring that are genetically different from one another and from their parents. Describe four mechanisms that produce this genetic variation. Do any of these mechanisms occur in asexualreproduction?arrow_forwardWhat is inability to reproduce known as?arrow_forward
- One of the advantages of sexual reproduction is that it promotes genetic diversity in the offspring. This is because gametes are produced by meiosis, which introduces genetic variation into the resulting gametes. How does meiosis accomplish this? Describe one way (there are several choices) in which meiosis produces new combinations of genes in gametes.arrow_forwardExplain two potential costs and two evolutionary benefits of Sexual Reproduction.arrow_forwardMost sexual organisms are either male or female though some are hermaphroditic. In human beings and Drosophila (fruitfly), the sex of an individual is determined by the kind of sex chromosomes they possess. Males have two types of chromosomes, a big chromosome X and a small chromosome Y while females have only one kind, 2X or XX. The X and Y chromosomes segregate during the formation of mature spermatozoa (sprematogenesis) so that a mature sperm contains only either X or Y. What is the probability of getting an X-bearing sperm? A Y-bearing sperm? How many kinds of ova as to the kind of sex chromosome present can be produced? Determine the probability of getting a boy or girl. Show your calculations.arrow_forward
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