BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Chapter 20.3, Problem 2LO
Summary Introduction
To determine: Theeffect of processes that can cause evolutionary change on Hardy-Weinberg equilibrium.
Introduction: The phenotypically plastic organism has high fitness because such organisms are highly suited for persistent environment and can adapt themselves in accordance with the gradually changing environmental conditions.
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Chapter 20 Solutions
BIOLOGY
Ch. 20.1 - Define evolution and population genetics.Ch. 20.1 - Prob. 2LOCh. 20.2 - Explain the HardyWeinberg principle.Ch. 20.2 - Describe the characteristics of a population that...Ch. 20.2 - Prob. 3LOCh. 20.3 - Define the five processes that can cause...Ch. 20.3 - Prob. 2LOCh. 20.4 - Prob. 1LOCh. 20.4 - Prob. 2LOCh. 20.4 - Demonstrate how the success of different...
Ch. 20.5 - Prob. 1LOCh. 20.5 - Prob. 2LOCh. 20.5 - Prob. 3LOCh. 20.6 - Define frequency-dependent selection, oscillating...Ch. 20.6 - Prob. 2LOCh. 20.7 - Define and contrast disruptive, directional, and...Ch. 20.7 - Prob. 2LOCh. 20.8 - Explain how experiments can be used to test...Ch. 20.9 - Prob. 1LOCh. 20.9 - Prob. 2LOCh. 20.10 - Prob. 2LOCh. 20 - If all white cats died, what proportion of the...Ch. 20 - Assuming that the values on the x-axis represent...Ch. 20 - Prob. 3DACh. 20 - Prob. 4DACh. 20 - Examine the index of copper tolerance on nonmine...Ch. 20 - Prob. 6DACh. 20 - Why are rare alleles particularly likely to be...Ch. 20 - Prob. 2IQCh. 20 - Prob. 3IQCh. 20 - Prob. 4IQCh. 20 - Prob. 5IQCh. 20 - Prob. 6IQCh. 20 - Prob. 7IQCh. 20 - Prob. 8IQCh. 20 - Prob. 9IQCh. 20 - Assortative mating a. affects genotype frequencies...Ch. 20 - When the environment changes from year to year and...Ch. 20 - Many factors can limit the ability of natural...Ch. 20 - Stabilizing selection differs from directional...Ch. 20 - Founder effects and bottlenecks are a. expected...Ch. 20 - Relative fitness a. refers to the survival rate of...Ch. 20 - For natural selection to result in evolutionary...Ch. 20 - Prob. 8UCh. 20 - In a population of red (dominant allele) or white...Ch. 20 - Genetic drift and natural selection can both lead...Ch. 20 - Prob. 3ACh. 20 - Prob. 4ACh. 20 - In Trinidadian guppies a combination of elegant...Ch. 20 - On large, black lava flows in the deserts of the...Ch. 20 - Based on a consideration of how strong artificial...
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- In a population of 265 individuals, a locus has two alleles: E and e. If 59 individuals have the ee genotype, and the locus is at Hardy-Weinberg equilibrium, what is the frequency of the EE genotype?arrow_forwardUsing a chi-square analysis attached below, determine whether the following population is under Hardy-Weinberg equilibriumarrow_forwardIf allele frequencies do not change from one generation to the next, is the population definitely in Hardy-Weinberg equilibrium? Why or why not?arrow_forward
- If there are two alleles, A and a, in a population and the population is at Hardy–Weinberg equilibrium, what frequency of A would produce the greatest frequency of heterozygotes?arrow_forwardGiven that it is unlikely a population will meet all of the assumptions of the Hardy-Weinberg Equilibrium, explain why we use it to understand evolution in a populationarrow_forwardIn an Inuit population in Greenland it was found that among 200 people, 168 were MM, 30 were MN, and 2 were NN. Is this population in Hardy-Weinberg equilibrium?arrow_forward
- In a population in Hardy-Weinberg equilibrium, if the starting frequency of the A1 allele is 0.5, after 500 generations it will be: Group of answer choices A- 0 b- 1 c- 0.5arrow_forwardGiven the allele frequencies, determine the genotypic proportions predicted for a locus in a population at Hardy-Weinberg equilibrium.arrow_forward10,000 individuals are sampled from a population and are found to display one of three blood types: AA with 6800 individuals, AB with 2800 individuals and type BB with 400 individuals. a) If the next generation contains 25,000 individuals, how many would have blood type BB, assuming the population is in Hardy-Weinberg Equilibrium?arrow_forward
- Applying Hardy-Weinberg equilibrium. In a population of 100 individuals, 49% are YY. What percentage is expected to be XY?arrow_forwardIn a population in Hardy-Weinberg equilibrium, if the starting frequency of the A1 allele is 0.5, after 500 generations it will be: Group of answer choices 0 1 0.5arrow_forwardIn a population that is in Hardy-Weinberg equilibrium there is a gene that has only two alleles. If the dominant gene accounts for 70% of the gene pool, what percentage of the population is heterozygous for the trait?arrow_forward
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