Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Chapter 19, Problem 22CTQ
Give an example of a trait that may have evolved as a result of the handicap principle and explain your reasoning.
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What is example of artificial selection, explain traits that were selected
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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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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Explain frequency-dependent selection in your own words.arrow_forwardDescribe what is the work of Spencer analysis?arrow_forwardImagine that you’re studying a species of bird. Let’s say the House Sparrow. You are interested in whether the species exhibits personality and whether there is selection on personality traits. Design an observational and experimental study to determine whether House Sparrows have a personality and, separately, design a study that would test the idea that there is currently selection on this trait(s)arrow_forward
- Write a short explanatory essay on the following statement: “Incases of genetically programmed phenotypic plasticity, naturalselection acts on the norm of reaction. Thus the norm of reactionas a whole—rather than any one phenotype—determines ifselection is positive or negative.”arrow_forwardExplain how negative frequency-dependent selection works.arrow_forwardExplain your reasoning or evidence for why you think Biologists classify specific forms of traits as good or bad. For example, long tails in cats could be classified as good and short tails as bad.arrow_forward
- Imagine that genetic technology advances to the point where the genetic profile of an individual can be easily obtained, and that we have a full understanding of how genes interact to influence our health. Based on this genetic information alone, how reliably do you think we would be able to predict a person's chance of getting a specific disease? Where do you think this type of genetic profiling would lead with respect to selection of offspring or genetic superiority?arrow_forwardWhich of the following statements best describes findings from the study of siblings and the effects of birth order? A Robust effects have not been found for sibling differences based solely on birth order. Research indicates that intelligence becomes diluted with more children in the family. C) Undeniable data reveal that available resources account for different child outcomes. D Evolutionary pressures to survive account for similarity in firstborns and later-borns.arrow_forwardSickle Cell Anemia is an example of "balancing selection" in which natural selection works against the extremes of a trait and favors the intermediate phenotype (e.g. the heterozygous "carriers" of the sickle cell trait) True or false?arrow_forward
- Which of the following statements regarding selection is true? Incorrect answer - selection will always result in a change in allele frequencies. Correct Answer - The direction and magnitude of allele frequency change due to selection can be predicted. Question: Please explain in detail why the correct answer is correct and please explain why the incorrect answer is not correct.arrow_forwardA biologist set up an experiment to study 3 lizards. On the first day of his study, he measured the mass of the three spice mens. He made sure that all lizards weigh 100 grams. Then the lizards were put into individual cages with the following conditions. 1. What is the independent variable? 2. What is the dependent variable? 3. Which among the set ups is the control set up? 4. Which of the item is/are the experimental set ups? 5. Based on the result of the experiment, what conclusions can be drawn from this?arrow_forwardIs the evolution of behavioral traits versus other traits, like morphological trait, likely to be different? Explain in details why the answer may be yes or no.arrow_forward
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