Concepts of Genetics (11th Edition)
11th Edition
ISBN: 9780321948915
Author: William S. Klug, Michael R. Cummings, Charlotte A. Spencer, Michael A. Palladino
Publisher: PEARSON
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Textbook Question
Chapter 25, Problem 17PDQ
Describe how populations with substantial genetic differences can form. What is the role of natural selection?
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Chapter 25 Solutions
Concepts of Genetics (11th Edition)
Ch. 25 - Prob. 1NSTCh. 25 - Prob. 2NSTCh. 25 - If the albino phenotype occurs in 1/10,000...Ch. 25 - A prospective groom, who is unaffected, has a...Ch. 25 - Prob. 1CSCh. 25 - Prob. 2CSCh. 25 - Prob. 3CSCh. 25 - HOW DO WE KNOW? Population geneticists study...Ch. 25 - CONCEPT QUESTION Read the Chapter Concepts list on...Ch. 25 - Price et al. [(1999).J. Bacteriol181:2358-2362)...
Ch. 25 - The genetic difference between two Drosophila...Ch. 25 - The use of nucleotide sequence data to measure...Ch. 25 - The ability to taste the compound PTC is...Ch. 25 - Prob. 7PDQCh. 25 - What must be assumed in order to validate the...Ch. 25 - In a population where only the total number of...Ch. 25 - Determine whether the following two sets of data...Ch. 25 - If 4 percent of a population in equilibrium...Ch. 25 - Consider a population in which the frequency of...Ch. 25 - If the initial allele frequencies are p = 0.5 and...Ch. 25 - Under what circumstances might a lethal dominant...Ch. 25 - Assume that a recessive autosomal disorder occurs...Ch. 25 - One of the first Mendelian traits identified in...Ch. 25 - Describe how populations with substantial genetic...Ch. 25 - Achondroplasia is a dominant trait that causes a...Ch. 25 - Prob. 19PDQCh. 25 - Prob. 20PDQCh. 25 - A botanist studying water lilies in an isolated...Ch. 25 - A farmer plants transgenic Bt corn that is...Ch. 25 - In an isolated population of 50 desert bighorn...Ch. 25 - To increase genetic diversity in the bighorn sheep...Ch. 25 - What genetic changes take place during speciation?Ch. 25 - Some critics have warned that the use of gene...Ch. 25 - A form of dwarfism known as Ellisvan Creveld...Ch. 25 - Prob. 28ESPCh. 25 - What are the two groups of reproductive isolating...Ch. 25 - The original source of new alleles, upon which...Ch. 25 - A number of comparisons of nucleotide sequences...Ch. 25 - Shown below are two homologous lengths of the...Ch. 25 - Recent reconstructions of evolutionary history are...Ch. 25 - Prob. 34ESP
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- Darwin proposed natural selection as a mechanism for evolution. How is it similar to artificialselection? How is it different? For natural selection to work, there must be genetic variation within a population as well asmutations? Why must there be both?What is the difference between natural selection and sexual selection?arrow_forwardDescribe three patterns of natural selection.arrow_forwardexplain how natural selection works and how it affects populations?arrow_forward
- Natural selection is dependent on several factors, including the ability a population to survive and reproduce within a particular environment. How are both of these factors modeled?arrow_forwardConsider the four postulates of natural selection. How have humans manipulated each of these postulates in natural or artificial systems?arrow_forwardGive examples of the three types of natural selection.arrow_forward
- What is fitness according to evolution?arrow_forwardNatural selection and artificial selection or selective breeding can both cause changes in animals and plants. The difference between the two is that natural selection happens naturally, but selective breeding only occurs when humans intervene. Changes in genetic traits have occurred over generations through both natural selection and selective breeding although the occur through different means. What characterizes only artificial selection? Choose all that apply. A) chickens that lay larger eggs are favored B) selection increases the chances of surviving C) selection make a species stronger and fit for survival D) selection favors the desired characters in the new organismsarrow_forwardWhat are the similarities and differences between natural selection and selective breeding?arrow_forward
- Describe How is selective breeding similar and different from natural selection?arrow_forwardDescribe the mechanisms of genetic variation and the three modes of natural selection.arrow_forwardExplain Darwin's Theory of Natural Selection using these terms: exponential rate of increase, struggle for existence, natural selection, mutation, heritability, and evolution?arrow_forward
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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