Campbell Biology (10th Edition)
Campbell Biology (10th Edition)
10th Edition
ISBN: 9780321775658
Author: Jane B. Reece, Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Robert B. Jackson
Publisher: PEARSON
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Chapter 23, Problem 23.3CR

Would two small, geographically isolated populations in very different environments be likely to evolve in similar ways? Explain.

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According to the Hardy-Weinberg law of equilibrium:   Question 1 options:   A)  In absence of mutation and natural selection, the frequencies of the genotypes will remain stable because no evolutionary change takes place.   B)  In absence of gene flow, the frequencies of the genotypes will remain stable because no evolutionary change takes place.   C)  In absence of genetic drift, the frequencies of the genotypes will remain stable because no evolutionary change takes place.   D)  All of the above.   E)  None of the above.
The groups we recognize as different human races represented populations that have been genetically isolated for a long time, we would expect to see: Select all that apply and briefly justify your answer. a) high levels of genetic variation between groups relative to what we see within groups. b) high levels of genetic variation within groups relative to what we see between groups. c) no clear pattern of genetic variation―in some regions, we would see more variation within than among groups, and in some regions we would see the opposite. d) a correlation between the amount of genetic variation between groups and the length of time the groups have been isolated from one another.
Suppose that a population is at equilibrium between mutation and selection for a deleterious recessive allele, where s = 0.5 and μ = 10−5. What is the equilibrium frequency of the allele? What is the selection cost?
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Mendelian Genetics and Punnett Squares; Author: Professor Dave Explains;https://www.youtube.com/watch?v=3f_eisNPpnc;License: Standard YouTube License, CC-BY
The Evolution of Populations: Natural Selection, Genetic Drift, and Gene Flow; Author: Professor Dave Explains;https://www.youtube.com/watch?v=SRWXEMlI0_U;License: Standard YouTube License, CC-BY