Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 19, Problem 13RQ
Which type of selection results in greater genetic variance in a population?
- stabilizing selection
- directional selection
- diversifying selection
- positive frequency-dependent selection
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Chapter 19 Solutions
Biology 2e
Ch. 19 - Figure 19.2 In plants, violet flower color (V) is...Ch. 19 - Figure 19.4 Do you think genetic drift would...Ch. 19 - Figure 19.8 In recent years, factories have become...Ch. 19 - What is the difference between micro- and...Ch. 19 - Population genetics is the study of: how selective...Ch. 19 - Which of the following populations is not in...Ch. 19 - One of the original Amish colonies rose from a...Ch. 19 - When male lions reach sexual maturity, they leave...Ch. 19 - Which of the following evolutionary forces can...Ch. 19 - What is assortative mating? when individuals mate...
Ch. 19 - When closely related individuals mate with each...Ch. 19 - What is a cline? the slope of a mountain where a...Ch. 19 - Which type of selection results in greater genetic...Ch. 19 - When males and females of a population look or act...Ch. 19 - The good genes hypothesis is a theory that...Ch. 19 - Solve for the genetic structure of a population...Ch. 19 - Explain the Hardy-Weinberg principle of...Ch. 19 - Imagine you are trying to test whether a...Ch. 19 - Describe a situation in which a population would...Ch. 19 - Describe natural selection and give an example of...Ch. 19 - Explain what a cline is and provide examples.Ch. 19 - Give an example of a trait that may have evolved...Ch. 19 - List the ways in which evolution can affect...
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- In a population of plants, individuals with medium-sized leaves have the highest survival and reproductive success because they can efficiently capture sunlight without losing too much water. Which type of selection is occurring in this scenario? Stabilizing selection Disruptive selection Frequency-dependent selection Directional selectionarrow_forwardBecca loves German Shepherds and wants to have one as a pet. She locates a breeder and agrees to purchase one of the puppies. Which type of selection occurs from this type of human intervention? directional selection stabilizing selection disruptive selection artificial selectionarrow_forwardIn a population that had mice ranging in color from very light to very dark, which type of selection would result in a population of mostly dark mice? Group of answer choices Directional selection Disruptive selection Stabilizing selectionarrow_forward
- What type of selection occurs when one extreme population phenotype is favored? Group of answer choices genetic drift directional stabilizing disruptivearrow_forwardWhat pattern of selection is being shown in the picture below? * Selection against the mean Population after selection Original population O Disruptive Selection Stabilizing Selection O Directional Selection Neutral Selection Marrow_forwardOver many generations, a population of brown rabbits changes to have darker fur. The light brown fur color is selected against and the dark brown fur color is selected for. * O Disruptive Selection Stabilizing Selection Directional Selection Neutral Selection Lenovo %24 6 b n shiftarrow_forward
- In a population of frogs, individuals with green coloration are camouflaged on leaves and are less likely to be eaten by predators. However, as the number of green frogs increases, predators learn to search for them more effectively, making it advantageous to be a less common color. What type of selection is occurring in this scenario? Disruptive selection 8888 Positive frequency-dependent selection Stabilizing selection Negative frequency-dependent selection Directional selectionarrow_forwardWhich type of selection is represented from a population of mice living in the forest where only dark colored fur survive? Disruptive Directional Stabalizingarrow_forwardWhich factor is not required for natural selection to occur? variation within a population inheritance of traits selective pressure an anticipated change in the environment genetic differencesarrow_forward
- Which of the following is true about natural selection? Group of answer choices it acts on individuals it typically does not involve changes in genotype frequencies in a population it involves individuals willfully changing their genotype and/or phenotype in order to become better matched to their environment and leave more offspring it is a random process it involves humans increasing the frequency of desirable traits in a species by selecting which individuals breedarrow_forwardThis species of Squirrel involves multiple males fighting, the strongest performs a specific dance which signals other males that he has won. The same dance also signals a female to allow the male that won to mount her. This is an example of Directive selection Stabilizing selection Intersexual selection Intrasexual selectionarrow_forwardGraph B represents what kind of selection pattern? directional selection stabilizing selection disruptive selection conditional selection fluctuating selectionarrow_forward
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