a. To determine: Whether the blue, red or green line represents A 1 , B 1 and C 1 in the given graph. Introduction: The deleterious mutations disrupt the important functions such as the activity of an enzyme encoded by a gene. Beneficial mutations are the type of mutations that provide a selective advantage to an organism.

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Answer 1

Question

Chapter 20, Problem 24P

Summary Introduction

a.

To determine:

Whether the blue, red or green line represents A¹, B¹ and C¹ in the given graph.

Introduction:

The deleterious mutations disrupt the important functions such as the activity of an enzyme encoded by a gene. Beneficial mutations are the type of mutations that provide a selective advantage to an organism.

Summary Introduction

b.

To determine:

The reason that the allele represented by green line goes to fixation slower than the allele represented by the red line.

Introduction:

Neutral mutations are the type of mutations that produce polymorphisms. These polymorphisms neither provide benefit nor harm the organism. This is because the original and mutant alleles are selectively equivalent.

Summary Introduction

c.

To determine:

The reason that the allele represented by the blue line goes to fixation slowly as compared to the alleles represented by the red or green line.

Introduction:

Genetic drift occurs faster in small populations as compared to the large population. If the population size is finite, the level of genetic drift occurs based on the size of the population.

Summary Introduction

d.

To determine:

The changes in the given graph if the population has 1000 individuals.

Introduction:

Fitness is an individual’s ability to survive and transmit its genes to the next generation. Fitness is associated with each genotype. The fitness can be measured by considering all the organisms of a particular genotype.

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An autosomal locus has alleles A and a. The allele frequencies in a population at Hardy Weinberg equilibrium are p = Freq(A) = 0.5 q = Freq(a) = 0.5 What is the frequency of homozygous wild-type (AA) in this population? Enter a single number between 0 and 1, for example, 0.33

Among a population of lizards inhabiting an arid habitat, the skin color is controlled by two alleles—B (brown skin color) that is dominant over b (green skin color). The green lizards comprise only 4 percent of the population whereas the brown lizards comprise the rest. Over a long period of time, increased rainfall in the area leads to transformation of the habitat, with growth of shrubs and small trees. The brown and green lizard numbers almost reverse with the green lizards approaching 81 percent of the total population. Calculate the allele frequency for the green skin color before and after the climate change occurred. Why did the brown lizard, which initially had greater relative fitness than the green lizard, reduce in number drastically? A. 2, 9; because relative fitness is dependent on environmental conditions B. 0.2, 0.9; because relative fitness is dependent on environmental conditions C. 0.2, 0.9; because the green lizard population acquired new…

Consider an autosomal locus with alleles A and a. If the the allele frequencies are as follows Freq(A) = 0.4, Freq(a) = 0.6. , then what is the predicted frequency of heterozygous Aa individuals, assuming the population is in Hardy-Weinberg equilibrium? Freq(Aa) = ? Enter a number between 0 and 1, inclusive, for example 0.33

Answer 2

Question

Chapter 20, Problem 24P

Summary Introduction

a.

To determine:

Whether the blue, red or green line represents A¹, B¹ and C¹ in the given graph.

Introduction:

The deleterious mutations disrupt the important functions such as the activity of an enzyme encoded by a gene. Beneficial mutations are the type of mutations that provide a selective advantage to an organism.

Summary Introduction

b.

To determine:

The reason that the allele represented by green line goes to fixation slower than the allele represented by the red line.

Introduction:

Neutral mutations are the type of mutations that produce polymorphisms. These polymorphisms neither provide benefit nor harm the organism. This is because the original and mutant alleles are selectively equivalent.

Summary Introduction

c.

To determine:

The reason that the allele represented by the blue line goes to fixation slowly as compared to the alleles represented by the red or green line.

Introduction:

Genetic drift occurs faster in small populations as compared to the large population. If the population size is finite, the level of genetic drift occurs based on the size of the population.

Summary Introduction

d.

To determine:

The changes in the given graph if the population has 1000 individuals.

Introduction:

Fitness is an individual’s ability to survive and transmit its genes to the next generation. Fitness is associated with each genotype. The fitness can be measured by considering all the organisms of a particular genotype.

Expert Solution & Answer

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Answer 3

Question

Chapter 20, Problem 24P

Summary Introduction

a.

To determine:

Whether the blue, red or green line represents A¹, B¹ and C¹ in the given graph.

Introduction:

The deleterious mutations disrupt the important functions such as the activity of an enzyme encoded by a gene. Beneficial mutations are the type of mutations that provide a selective advantage to an organism.

Summary Introduction

b.

To determine:

The reason that the allele represented by green line goes to fixation slower than the allele represented by the red line.

Introduction:

Neutral mutations are the type of mutations that produce polymorphisms. These polymorphisms neither provide benefit nor harm the organism. This is because the original and mutant alleles are selectively equivalent.

Summary Introduction

c.

To determine:

The reason that the allele represented by the blue line goes to fixation slowly as compared to the alleles represented by the red or green line.

Introduction:

Genetic drift occurs faster in small populations as compared to the large population. If the population size is finite, the level of genetic drift occurs based on the size of the population.

Summary Introduction

d.

To determine:

The changes in the given graph if the population has 1000 individuals.

Introduction:

Fitness is an individual’s ability to survive and transmit its genes to the next generation. Fitness is associated with each genotype. The fitness can be measured by considering all the organisms of a particular genotype.

Expert Solution & Answer

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See solution

Answer 4

Question

Chapter 20, Problem 24P

Summary Introduction

a.

To determine:

Whether the blue, red or green line represents A¹, B¹ and C¹ in the given graph.

Introduction:

The deleterious mutations disrupt the important functions such as the activity of an enzyme encoded by a gene. Beneficial mutations are the type of mutations that provide a selective advantage to an organism.

Summary Introduction

b.

To determine:

The reason that the allele represented by green line goes to fixation slower than the allele represented by the red line.

Introduction:

Neutral mutations are the type of mutations that produce polymorphisms. These polymorphisms neither provide benefit nor harm the organism. This is because the original and mutant alleles are selectively equivalent.

Summary Introduction

c.

To determine:

The reason that the allele represented by the blue line goes to fixation slowly as compared to the alleles represented by the red or green line.

Introduction:

Genetic drift occurs faster in small populations as compared to the large population. If the population size is finite, the level of genetic drift occurs based on the size of the population.

Summary Introduction

d.

To determine:

The changes in the given graph if the population has 1000 individuals.

Introduction:

Fitness is an individual’s ability to survive and transmit its genes to the next generation. Fitness is associated with each genotype. The fitness can be measured by considering all the organisms of a particular genotype.

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 5

Chapter 20, Problem 24P

Summary Introduction

a.

To determine:

Whether the blue, red or green line represents A¹, B¹ and C¹ in the given graph.

Introduction:

The deleterious mutations disrupt the important functions such as the activity of an enzyme encoded by a gene. Beneficial mutations are the type of mutations that provide a selective advantage to an organism.

Summary Introduction

b.

To determine:

The reason that the allele represented by green line goes to fixation slower than the allele represented by the red line.

Introduction:

Neutral mutations are the type of mutations that produce polymorphisms. These polymorphisms neither provide benefit nor harm the organism. This is because the original and mutant alleles are selectively equivalent.

Summary Introduction

c.

To determine:

The reason that the allele represented by the blue line goes to fixation slowly as compared to the alleles represented by the red or green line.

Introduction:

Genetic drift occurs faster in small populations as compared to the large population. If the population size is finite, the level of genetic drift occurs based on the size of the population.

Summary Introduction

d.

To determine:

The changes in the given graph if the population has 1000 individuals.

Introduction:

Fitness is an individual’s ability to survive and transmit its genes to the next generation. Fitness is associated with each genotype. The fitness can be measured by considering all the organisms of a particular genotype.

Answer 6

Chapter 20, Problem 24P

Summary Introduction

a.

To determine:

Whether the blue, red or green line represents A¹, B¹ and C¹ in the given graph.

Introduction:

The deleterious mutations disrupt the important functions such as the activity of an enzyme encoded by a gene. Beneficial mutations are the type of mutations that provide a selective advantage to an organism.

Answer 7

Chapter 20, Problem 24P

Summary Introduction

a.

To determine:

Whether the blue, red or green line represents A¹, B¹ and C¹ in the given graph.

Introduction:

The deleterious mutations disrupt the important functions such as the activity of an enzyme encoded by a gene. Beneficial mutations are the type of mutations that provide a selective advantage to an organism.

Answer 8

Summary Introduction

b.

To determine:

The reason that the allele represented by green line goes to fixation slower than the allele represented by the red line.

Introduction:

Neutral mutations are the type of mutations that produce polymorphisms. These polymorphisms neither provide benefit nor harm the organism. This is because the original and mutant alleles are selectively equivalent.

Answer 9

Summary Introduction

b.

To determine:

The reason that the allele represented by green line goes to fixation slower than the allele represented by the red line.

Introduction:

Neutral mutations are the type of mutations that produce polymorphisms. These polymorphisms neither provide benefit nor harm the organism. This is because the original and mutant alleles are selectively equivalent.

Answer 10

Summary Introduction

c.

To determine:

The reason that the allele represented by the blue line goes to fixation slowly as compared to the alleles represented by the red or green line.

Introduction:

Genetic drift occurs faster in small populations as compared to the large population. If the population size is finite, the level of genetic drift occurs based on the size of the population.

Answer 11

Summary Introduction

c.

To determine:

The reason that the allele represented by the blue line goes to fixation slowly as compared to the alleles represented by the red or green line.

Introduction:

Genetic drift occurs faster in small populations as compared to the large population. If the population size is finite, the level of genetic drift occurs based on the size of the population.

Answer 12

Summary Introduction

d.

To determine:

The changes in the given graph if the population has 1000 individuals.

Introduction:

Fitness is an individual’s ability to survive and transmit its genes to the next generation. Fitness is associated with each genotype. The fitness can be measured by considering all the organisms of a particular genotype.

Answer 13

Summary Introduction

d.

To determine:

The changes in the given graph if the population has 1000 individuals.

Introduction:

Fitness is an individual’s ability to survive and transmit its genes to the next generation. Fitness is associated with each genotype. The fitness can be measured by considering all the organisms of a particular genotype.

Answer 14

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Answer 15

Expert Solution & Answer

Answer 16

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Answer 17

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Solution Summary: The author explains that deleterious mutations disrupt important functions such as the activity of an enzyme encoded by a gene.

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