The value of p , the frequency of the A 2 allele, at equilibrium. Introduction: The allele that is located at a particular locus in a population, its relative frequency value is calculated as a fraction, this frequency is known as allele frequency.

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Chapter 5, Problem 4PDT

Summary Introduction

To calculate: The value of p, the frequency of the A₂ allele, at equilibrium.

Introduction: The allele that is located at a particular locus in a population, its relative frequency value is calculated as a fraction, this frequency is known as allele frequency.

Summary Introduction

To describe: The value of p, if relative fitness of genotypes changes to 1.0, 0.95, and 0.90.

Introduction: Fitness refers to the number of offspring that are produced by an individual to the upcoming generations. There are two measures of biological fitness one is absolute fitness and second is relative fitness.

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magine a population in which the survival of A1A1 homozygotes is 80 percent as great as that of A1A2 heterozygotes, while the survival of A2A2 homozygotes is 95 percent that of the heterozygotes. a. What is p, the frequency of the A2 allele, at polymorphic equilibrium? Show your work for all calculations. c. Now suppose the population has reached this equilibrium, but that the environment then changes so that the relative fitnesses of A1A1, A1A2, and A2A2 become 1.0, 0.95, and 0.90. What will p be in the adults after one generation of selection in the new environment?

Assume that the frequency of gene B in a hypothetical population Is 0.63, that there are only two alleles (B and b) of the gee in the population, that allele B is dominant over allele b, that neither allele has a selective advantage over the other, and that the population is at equilibrium with regard to this particular gene. What proportion of the population is expected to have the phenotype specified by the B allele according to the Hardy-Weinberg formula? 0.47 0.87 0.67 0.40 0.37

A different locus codes for drought tolerance in desert tortoises. On average during a drought, genotype AA produces 7 offspring, genotype AB produces 8 offspring, and genotype BB produces 3 offspring. The genotype frequencies in 2019 are 10% AA, 10% AB, and 80% BB. What is the expected equilibrium allele frequency p* after a large number of generations go by during the drought? Assume the tortoise population is also very large.

Answer 2

Question

Chapter 5, Problem 4PDT

Summary Introduction

To calculate: The value of p, the frequency of the A₂ allele, at equilibrium.

Introduction: The allele that is located at a particular locus in a population, its relative frequency value is calculated as a fraction, this frequency is known as allele frequency.

Summary Introduction

To describe: The value of p, if relative fitness of genotypes changes to 1.0, 0.95, and 0.90.

Introduction: Fitness refers to the number of offspring that are produced by an individual to the upcoming generations. There are two measures of biological fitness one is absolute fitness and second is relative fitness.

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Answer 3

Question

Chapter 5, Problem 4PDT

Summary Introduction

To calculate: The value of p, the frequency of the A₂ allele, at equilibrium.

Introduction: The allele that is located at a particular locus in a population, its relative frequency value is calculated as a fraction, this frequency is known as allele frequency.

Summary Introduction

To describe: The value of p, if relative fitness of genotypes changes to 1.0, 0.95, and 0.90.

Introduction: Fitness refers to the number of offspring that are produced by an individual to the upcoming generations. There are two measures of biological fitness one is absolute fitness and second is relative fitness.

Expert Solution & Answer

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Answer 4

Question

Chapter 5, Problem 4PDT

Summary Introduction

To calculate: The value of p, the frequency of the A₂ allele, at equilibrium.

Introduction: The allele that is located at a particular locus in a population, its relative frequency value is calculated as a fraction, this frequency is known as allele frequency.

Summary Introduction

To describe: The value of p, if relative fitness of genotypes changes to 1.0, 0.95, and 0.90.

Introduction: Fitness refers to the number of offspring that are produced by an individual to the upcoming generations. There are two measures of biological fitness one is absolute fitness and second is relative fitness.

Expert Solution & Answer

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Answer 5

Chapter 5, Problem 4PDT

Summary Introduction

To calculate: The value of p, the frequency of the A₂ allele, at equilibrium.

Introduction: The allele that is located at a particular locus in a population, its relative frequency value is calculated as a fraction, this frequency is known as allele frequency.

Summary Introduction

To describe: The value of p, if relative fitness of genotypes changes to 1.0, 0.95, and 0.90.

Introduction: Fitness refers to the number of offspring that are produced by an individual to the upcoming generations. There are two measures of biological fitness one is absolute fitness and second is relative fitness.

Answer 6

Chapter 5, Problem 4PDT

Summary Introduction

To calculate: The value of p, the frequency of the A₂ allele, at equilibrium.

Introduction: The allele that is located at a particular locus in a population, its relative frequency value is calculated as a fraction, this frequency is known as allele frequency.

Answer 7

Chapter 5, Problem 4PDT

Summary Introduction

To calculate: The value of p, the frequency of the A₂ allele, at equilibrium.

Introduction: The allele that is located at a particular locus in a population, its relative frequency value is calculated as a fraction, this frequency is known as allele frequency.

Answer 8

Summary Introduction

To describe: The value of p, if relative fitness of genotypes changes to 1.0, 0.95, and 0.90.

Introduction: Fitness refers to the number of offspring that are produced by an individual to the upcoming generations. There are two measures of biological fitness one is absolute fitness and second is relative fitness.

Answer 9

Summary Introduction

To describe: The value of p, if relative fitness of genotypes changes to 1.0, 0.95, and 0.90.

Introduction: Fitness refers to the number of offspring that are produced by an individual to the upcoming generations. There are two measures of biological fitness one is absolute fitness and second is relative fitness.

Answer 10

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Answer 11

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Answer 13

Ch. 5 - Prob. 1PDT Ch. 5 - Prob. 2PDT Ch. 5 - Prob. 3PDT Ch. 5 - Prob. 4PDT Ch. 5 - Prob. 5PDT Ch. 5 - Prob. 6PDT Ch. 5 - Prob. 7PDT

The value of p , the frequency of the A 2 allele, at equilibrium. Introduction: The allele that is located at a particular locus in a population, its relative frequency value is calculated as a fraction, this frequency is known as allele frequency.

Solution Summary: The author explains that the selection coefficient is used to calculate the allelic frequency when the population reaches equilibrium.

Concept explainers

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To calculate: The value of p, the frequency of the A₂ allele, at equilibrium.

Introduction: The allele that is located at a particular locus in a population, its relative frequency value is calculated as a fraction, this frequency is known as allele frequency.

Want to see the full answer?

Chapter 5 Solutions

The value of p , the frequency of the A 2 allele, at equilibrium. Introduction: The allele that is located at a particular locus in a population, its relative frequency value is calculated as a fraction, this frequency is known as allele frequency.

Solution Summary: The author explains that the selection coefficient is used to calculate the allelic frequency when the population reaches equilibrium.

Concept explainers

Videos

To calculate: The value of p, the frequency of the A2 allele, at equilibrium. Introduction: The allele that is located at a particular locus in a population, its relative frequency value is calculated as a fraction, this frequency is known as allele frequency.

Want to see the full answer?

Chapter 5 Solutions

To calculate: The value of p, the frequency of the A₂ allele, at equilibrium.

Introduction: The allele that is located at a particular locus in a population, its relative frequency value is calculated as a fraction, this frequency is known as allele frequency.