Campbell Biology in Focus
3rd Edition
ISBN: 9780134710679
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Rebecca Orr
Publisher: PEARSON
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Chapter 10, Problem 8TYU
Summary Introduction
To determine:
The evolutionary significance of the switch from asexual to sexual reproduction that occurs in someorganisms when the environment becomes unfavourable.
Introduction:
Reproduction is the process of producing the young ones from the existing one; it enables a species to survive within an environment. There are mainly two modes through which an organism can reproduce; sexual and asexual mode.
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Students have asked these similar questions
Asexual reproduction has all of the following advantages over sexual reproduction EXCEPT
Question 1 options:
No "cost of males"
Can found a new population from a single individual
There are no advantages to asexual reproduction
Produces more offspring per reproductive event
In unchanging environments, offspring are exactly as adapted as their parents to their habitat
What is NOT true about these statements on sexual reproduction? *
1 point
Sexual reproduction is uniparental.
Key processes in sexual reproduction are meiosis and fertilization.
This process involves the production of sex cells or gametes.
The union of two gametes resulting into a zygote is called fertilization.
For each of the following, choose whether it is true of sexual reproduction or asexual
reproduction.
Each female produces more daughters.
Each female produces more genetically
variable offspring.
Most common eukaryotic reproductive
strategy.
advantageous when the environment is
stable
[Choose ]
[Choose ]
[Choose ]
[Choose ]
Chapter 10 Solutions
Campbell Biology in Focus
Ch. 10.1 - MAKE CONNECTIONS Using what you know of gene...Ch. 10.1 - How does an asexually reproducing eukaryotic...Ch. 10.1 - WHAT IF? A horticulturalist breeds orchids, trying...Ch. 10.2 - Prob. 1CCCh. 10.2 - Prob. 2CCCh. 10.2 - Prob. 3CCCh. 10.2 - WHAT IF? A certain eukaryote lives as a...Ch. 10.3 - Prob. 1CCCh. 10.3 - WHAT IF? After the synaptonemal complex...Ch. 10.4 - Prob. 1CC
Ch. 10.4 - Prob. 2CCCh. 10 - A human cell containing 22 autosomes and a Y...Ch. 10 - Homologous chromosomes move toward opposite poles...Ch. 10 - If the DNA content of a diploid cell in the G1...Ch. 10 - Prob. 4TYUCh. 10 - Prob. 5TYUCh. 10 - Prob. 6TYUCh. 10 - Prob. 7TYUCh. 10 - Prob. 8TYUCh. 10 - Prob. 9TYUCh. 10 - Prob. 10TYU
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- Why do asexual reproduction in animals reproduce faster than sexual reproduction? In which environment will reproduction be more effective, stable or predictable? Explain your answer in 3 sentences only. In which method has high rate of survival, sexual or asexual reproduction? Why?arrow_forwardA 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_forwardWhy is sexual reproduction useful if only half the animals can produce offspring and two separate cells must be combined to form a third?arrow_forward
- Please answer thank youuu!arrow_forwardAsexual reproduction passes on 100% of the parent's genes but it is relatively rare. What are the advantages of sexual vs asexual reproduction? In some cases, species are hermaphrodites to reduce the difficulty in finding mates. What is the difference between simultaneous and sequential hermaphrodites? Why is "selfing" relatively rare?arrow_forwardAbout sexual reproduction: Involves one parent where a new individual develops being an exact copy of the parent also known as clone and no gamete or reproductive organ is involved O Only the mother contributes with the oocyte or egg where a new individual is formed with an exact copy of the mother's genes O Involves two parents, where each parent contributes with special germ cells or gametes that once united in fertilization, a new individual develops receiving genetic material from both parents and the product of gene recombination O Involves the father only which contributes with special germ cells or spermatozoa that once fertilized, a new individual develops receiving genetic material from the father and the product of gene recombination Next » « Previousarrow_forward
- Most eukaryotic organisms use sexual reproduction as their primary means of perpetuating their species. Gametes are formed via meiosis. However, some species primarily reproduce via asexual means. Reproduction is accomplished via mitosis. Aspen trees most commonly reproduce by such asexual methods of cloning.What are the advantages and disadvantages of reproduction by asexual means? Why do some species reproduce in this manner? Why don't all species?arrow_forwardMultiple choice:which of the following are disadvantages of sexual reproduction? Requires more timeRequires more energy to be expended during courtship Favorable gene combo are broken up Allows for the removal of bad genetic combinationsarrow_forward10:59 lI LTE Done 13 of 17 The first gnathostomes evolved about 200 million years ago. This statement is (T/F). • If true, enter x in the blanks below. • If false, then how would you change the sentence to make it correct? You can change two words at most. Changes that just reverse the meaning (e.g. changing "is" to "isn't" or "all" to "none") will not earn credit. I would change the word(s) to the word(s) to make the sentence correct. !!!arrow_forward
- Identify whether the following statements describe Asexual or Sexual Reproduction. Answer it all. 1. Requires only one parent and creates offspring genetically identical to parent 2. Needs two parents and creates offspring genetically unique from parents 3. Leads to more genetic diversity 4. Has a little chance of genetic variation 5. Commonly happens to more complex organisms such as plants and animals 6. Commonly occurs to less developed organisms such as bacteria and fungi 7. Does not require finding a mate and formation of gametes 8. Requires finding a mate and formation of gametes 9. Typically happens in faster time period 10. Usually occurs in slower time periodarrow_forwardWhat is NOT a disadvantage of internal fertilization? the ability to reproduce on land without needing external water the need for more specialized reproductive structures the production of fewer embryos the reduction in the randomness of fertilization (less genetic variability in offspring)arrow_forwardMatch the asexual reproductive strategy to its definition fission gemmulation budding fragmentation parthenogenesis [Choose ] [Choose ] both reproductive systems can be found in the same organism enhances reproductive success by encouraging genetic diversity the organism breaks into one or more pieces uses unequal mitosis relies on mitosis to produce "daughter cells" the female transforms herself into a male cells are surrounded by a resistant capsule no sperm required for progeny to be made [Choose ] [Choose ] <arrow_forward
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