Biology (MindTap Course List)
11th Edition
ISBN: 9781337392938
Author: Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher: Cengage Learning
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Chapter 19.2, Problem 3C
INTERPRET DATA The genotype frequencies of a population are determined to be 0.6 BB. 0.0 Bb, and 0.4 bb. Is it likely that this population meets all the conditions required for genetic equilibrium?
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. List the five conditions necessary for the allele frequencies of a population to be in Hardy-Weinberg equilibrium.
In this version of the simulation (500 population size; 500 carrying capacity), all fish are equally likely (though not 100% likely) to survive and reproduce. There are no mutations, nor are there any entering or leaving the population. When they reproduce, they choose a mate from the pool at random and produce ten offspring by chance with the probability of the offspring’s genotypes determined by the punnett square. What caused the allele frequencies to change and vary in the trials? (ex attached).
Consider a gene with two alleles, C and M. The table below describes fitness for different genotypes in two populations.
Fitness
CC
CM
MM
Population 1
1.0
1.0
0.6
Population 2
0.9
0.9
1.0
Assume that both populations begin with frequencies of 0.5 for each allele, population size is infinite, and there is no migration between populations. Which of the following statements is true based on the information you have on these populations?
Chapter 19 Solutions
Biology (MindTap Course List)
Ch. 19.1 - Define what is meant by a populations gene pool.Ch. 19.1 - Distinguish among genotype, phenotype, and allele...Ch. 19.1 - Prob. 1CCh. 19.1 - Can the frequencies of all genotypes in a...Ch. 19.1 - INTERPRET DATA In a human population of 1000, 840...Ch. 19.2 - Discuss the significance of the HardyWeinberg...Ch. 19.2 - Prob. 4LOCh. 19.2 - INTERPRET DATA In a population at genetic...Ch. 19.2 - INTERPRET DATA In a population at genetic...Ch. 19.2 - INTERPRET DATA The genotype frequencies of a...
Ch. 19.3 - Prob. 5LOCh. 19.3 - Discuss how each of the following...Ch. 19.3 - Distinguish among stabilizing selection,...Ch. 19.3 - Which microevolutionary force leads to adaptive...Ch. 19.3 - Why is mutation important to evolution if it is...Ch. 19.3 - Which microevolutionary forces are most associated...Ch. 19.3 - Prob. 4CCh. 19.4 - Prob. 8LOCh. 19.4 - Prob. 1CCh. 19.4 - Prob. 2CCh. 19.4 - How can researchers test the hypothesis that...Ch. 19 - The genetic description of an individual is its...Ch. 19 - In a diploid species, each individual possesses...Ch. 19 - The MN blood group is of interest to population...Ch. 19 - If a populations allele and genotype frequencies...Ch. 19 - Prob. 5TYUCh. 19 - The continued presence of the allele that causes...Ch. 19 - According to the HardyWeinberg principle, (a)...Ch. 19 - Prob. 8TYUCh. 19 - Mutation (a) leads to adaptive evolutionary change...Ch. 19 - Which of the following is not true of natural...Ch. 19 - If all copies of a given locus have the same...Ch. 19 - Prob. 12TYUCh. 19 - EVOLUTION LINK Given that mutations are almost...Ch. 19 - Prob. 14TYUCh. 19 - Prob. 15TYUCh. 19 - EVOLUTION LINK Evolution is sometimes...Ch. 19 - INTERPRET DATA The recessive allele that causes...Ch. 19 - PREDICT You study males in populations of a...Ch. 19 - Prob. 19TYU
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- Assuming Hardy-Weinberg equilibrium, in a population of white flowers (dominant allele) and red flowers, the white phenotypes make up 84 % of the population. What is the frequency of the white allele? 0.84 0.6 0.4 None of these answers.arrow_forwardBelow is a plot of genotype frequencies in a population. Assuming the population is in Hardy-Weinberg equilibrium, what is the probability that any given individual will have the m allele? 0.8 0.6 0.4 0.2 0.0 BB Bb bbarrow_forwardImagine that you compared the observed genotype frequencies in a population to the expected genotype frequencies under Hardy-Weinberg equilibrium using a Chi- squared test and obtained a Chi-squared value of 3.85. If the critical value of the Chi- squared test statistic is 3.81 (at alpha = 0.05), what can you safely conclude about this population: It is evolving It is at Hardy-Weinberg equilibrium It is undergoing genetic drift It is not at Hardy-Weinberg equilibrium there is not enough information to know anythingarrow_forward
- A survey of a butterfly population showed that most individuals have blue wing spots. On occasion, some rare yellow-spotted individuals can be found as well. Further genetic studies showed that the colors are controlled by a single gene, with C dominant over c. Also, out of 300 samples, only 27 are yellow and the rest blue. Assuming that this population is in Hardy-Weinberg equilibrium, what is the allele frequency for the C allele? -0.3 -0.4 -0.6 -0.7 -0.9arrow_forwardWhat would be the expected number of each genotype (round to the nearest whole number assuming genotype represents an individual) assuming the population was in Hardy Weinberg equilibrium? f(M1M1) = 0.127 f(M1M2) = 0.390 f(M2M2) = 0.300 f(M1M3) = 0.068 f(M2M3) = 0.105 f(M3M3) = 0.009 Referencing a p-value of 0.05 and a CV of 11.070, state if the population is in HWE. Genotype Observed Expected O–E (O–E)2 (O–E)2/E M1M1 M1M2 M2M2 M1M3 M2M3 M3M3 Chi-squared = Statement:arrow_forwardIf f(A) = 0.8 and f(a) = 0.2, what is the frequency of AA if the population is at Hardy- Weinberg equilibrium? 0.2 0.16 0.32 0.64 0.8arrow_forward
- Consider a gene with two alleles, C and M. The table below describes fitness for different genotypes in two populations. Fitness CC CM MM Population 1 1.0 1.0 0.6 Population 2 0.9 0.9 1.0 Assume that both populations begin with frequencies of 0.5 for each allele, population size is infinite, and there is no migration between populations. Would you predict that either allele would become fixed in either population?arrow_forwardUnder Hardy-Weinberg equilibrium, if a population exists that contains 2 alleles only, each has a respective frequency:p=0.3q=0.7then, after 10 (or 20, or 50, or 100) generations, the resulting frequencies will be?arrow_forwardConsider a gene with two alleles, C and M. The table below describes fitness for different genotypes in two populations. Fitness CC CM MM Population 1 1.0 1.0 0.6 Population 2 0.9 0.9 1.0 Assume that both populations begin with frequencies of 0.5 for each allele, population size is infinite, and there is no migration between populations. Based on the table, how would you expect the frequency of M to change over time in population 1? A.) frequency of M will increase B.) frequency of M will decrease C.) frequency of M will stay the same D.) frequency of M will change randomlyarrow_forward
- Consider a gene with two alleles, C and M. The table below describes fitness for different genotypes in two populations. Fitness CC CM MM Population 1 1.0 1.0 0.6 Population 2 0.9 0.9 1.0 Assume that both populations begin with frequencies of 0.5 for each allele, population size is infinite, and there is no migration between populations. Based on the table, how would you expect the frequency of M to change over time in population 2?arrow_forwardA population with an allele frequency (p) of 0.5 anda genotype frequency (p2) of 0.25 is at equilibrium.How can you explain the fact that a population withan allele frequency (p) of 0.1 and a genotype frequency (p2) of 0.01 is also at equilibrium?arrow_forwardListen If f(A) = 0.8 and f(a) = 0.2, what is the frequency of aa if the population is at Hardy- Weinberg equilibrium? %3D O 0.04 O 0.2 0.16 0.32 0.64arrow_forward
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