Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Chapter 23, Problem 2COQ
Discuss die similarities and differences among directional, disruptive, balancing, and stabilizing selection.
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Chapter 23 Solutions
Biology
Ch. 23.1 - Prob. 1CSCh. 23.2 - Prob. 1CCCh. 23.2 - Prob. 2CCCh. 23.2 - Prob. 3CCCh. 23.3 - Prob. 1CCCh. 23.3 - Prob. 1EQCh. 23.3 - Prob. 2EQCh. 23.3 - Prob. 3EQCh. 23.4 - Genetic Drift Concept Check: How does the...Ch. 23.4 - Prob. 1CS
Ch. 23.5 - Prob. 1CCCh. 23 - Population geneticists are interested in the...Ch. 23 - The Hardy-Weinberg equation characterizes the...Ch. 23 - Prob. 3TYCh. 23 - Prob. 4TYCh. 23 - Prob. 5TYCh. 23 - Prob. 6TYCh. 23 - Prob. 7TYCh. 23 - Prob. 8TYCh. 23 - Kimuras proposal regarding neutral variation...Ch. 23 - Populations that experience inbreeding may also...Ch. 23 - Prob. 1CQCh. 23 - Prob. 2CQCh. 23 - Prob. 3CQCh. 23 - Antibiotics are commonly used to combat bacterial...Ch. 23 - Discuss die similarities and differences among...
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- Explain the stabilizing selection effects on the phenotypic mean and the amount of phenotypic variation present in a population.arrow_forwardDistinguish among stabilizing selection, directional selection, and disruptive selection.arrow_forwardCompare and contrast directional selection and disruptive selection, and provide an example of each.arrow_forward
- Describe the competing selective forces acting on peacock tails. Together, do these selective forces produce disruptive, directional, or stabilizing selection?arrow_forwardWhich of the following is the LEAST CONVINCING argument against micromutationism? Advantageous mutations of large effect are more resistant to loss by drift than advantageous mutations of small effect. Mutations of small effect are more likely to be advantageous than mutations of large effect. Empirical studies suggest that some adaptive traits are governed at least in part by loci of large phenotypic effect.arrow_forwardConsider the following examples, and decide if each of them would result in directional, disruptive, balancing, or stabilizing selection? Sturdy stems and leaves among plants exposed to windy climates Thick fur among mammals exposed to cold climates Polymorphisms in snail color and banding patternarrow_forward
- What is stabilizing selection ?arrow_forwardConsider a population of 200 individuals. For a trait expressing simple dominance, genotype frequencies are WW = 0.1, Ww= 0.7, ww = 0.2. What are the allele frequencies of the W and w alleles in this population (where p is the frequency of the dominant allele). p = 110, q = 90 p = 20, q = 80 p = 0.45, q = 0.55 p = 0.55, q = 0.45 p = 0.2, q = 0.8 p = 90, q = 110arrow_forwardIn population genetics, for a locus with two alleles, we use the variable q to indicate. Freq(a), the frequency of the recessive allele Freq(Aa), the frequency of the Aa genotype Freq(AA), the frequency of the AA genotype Freq(A), the frequency of the dominant allele Freq(aa), the frequency of the aa genotypearrow_forward
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