Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Chapter 11.2, Problem 1SB
Summary Introduction
To review:
The three ways in which sexual reproduction enhances the degree of genetic variability among individuals.
Introduction:
Sexual reproduction involves the fusion of two gametes, one from male and the other from the female individual. The process of fusion of two gametes is called fertilization. It leads to the formation of a zygote. The cell divisions in the zygote result in the formation of an entire individual.
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Chapter 11 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 11.1 - How does the outcome to meiosis differ from that...Ch. 11.1 - Prob. 2SBCh. 11.1 - Prob. 3SBCh. 11.2 - Prob. 1SBCh. 11.2 - Consider an animal with six pairs of chromosomes;...Ch. 11.3 - Prob. 1SBCh. 11 - The chromosome constitution number of this...Ch. 11 - Which of the following is not associated with...Ch. 11 - Chiasmata: a. form during metaphase II of meiosis....Ch. 11 - If 2n is four, the number of possible combinations...
Ch. 11 - Prob. 5TYKCh. 11 - The DNA content in a diploid cell in G2 is X. If...Ch. 11 - Metaphase in mitosis is similar to what stage in...Ch. 11 - In the human sperm: a. there must be one...Ch. 11 - In plants, the adult diploid individuals are...Ch. 11 - Prob. 10TYKCh. 11 - Discuss Concepts You have a technique that allows...Ch. 11 - Discuss Concepts One of the human chromosome pairs...Ch. 11 - Prob. 13TYKCh. 11 - Prob. 14TYKCh. 11 - Prob. 15TYKCh. 11 - Prob. 1ITDCh. 11 - Prob. 2ITD
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- A paradox of sexual reproduction is that despite its being widespread in nature, the question of why it exists at all is still unresolved. What are some disadvantages of sex? What are some consequences of sex that make it so important?arrow_forwardWhat are the three events during sexual reproduction that prevent identical children?arrow_forwardWhat process causes the genetic variation seen in offspring produced by sexual reproduction?arrow_forward
- What are the general characteristics of sexual reproduction in humans and other vertebrates that are associated with continuous production of many sperm cells but intermittent, finite production of egg cells?arrow_forwardWhat are the four biological events associated with sexual reproduction that contribute to the diversity of a gene pool?arrow_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_forward
- how does sexual reproduction produce more complex offspring, produce a greater number of offspring, enhances the genetic variability, produce more evolutionary fit individual and Increases the survival rate of the species?arrow_forwardWhich factors are responsible for successful reproduction in male? Do you think the reproductive efficiency of male is declining with the passage of time? Support your point of view with examples.arrow_forwardWhat is the proposed evolutionary benefit of sexual reproduction?arrow_forward
- What distinguishes asexual reproduction from sexual reproduction? What benefit does sexual reproduction confer to species? What is the value of genetic diversity? Why? In what ways does sexual reproduction contribute to diversity? Describe the unpredictability of meiotic partner selection, random distribution, and crossover.arrow_forwardHow do meiosis produce genetic variability?arrow_forwardWhich of the following is an advantage of asexual reproduction over sexual reproduction?arrow_forward
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