The relationship between the number of synonymous substitutions and the years of divergence between each pair of species, with the help of a graph. Also, estimate the rates of synonymous substitutions per million years and per generation for the complete axon on a per-site basis. Given: In the given study, a hypothetical gene encodes for the transcription factor in various species of Drosophila . According to the diagram (Figure 1) given below, one exon of this gene is sequenced in four species. Figure 1: Million of years ago. The matrix shows the number of synonymous and nonsynonymous substitutions between pairs of different Drosophila species, which evolved as a result of evolution. There are 2,000 nonsynonymous and 600 synonymous substitutions sites of the exon (Figure 2). Figure 2: Matrix showing the number of synonymous and nonsynonymous substitutions between pairs of species of Drosophila. Introduction: Biologists are able to make inference about the type of natural selection, by the study based on molecular evolutionary patterns of genes. These inferences are important to know, about the gene functioning and how they evolve over the time, in response to the new function and conditions.

Question

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Answer 1

Question

Chapter 23, Problem 1Q

Summary Introduction

To review:

The relationship between the number of synonymous substitutions and the years of divergence between each pair of species, with the help of a graph. Also, estimate the rates of synonymous substitutions per million years and per generation for the complete axon on a per-site basis.

Given:

In the given study, a hypothetical gene encodes for the transcription factor in various species of Drosophila. According to the diagram (Figure 1) given below, one exon of this gene is sequenced in four species.

Figure 1: Million of years ago.

The matrix shows the number of synonymous and nonsynonymous substitutions between pairs of different Drosophila species, which evolved as a result of evolution. There are 2,000 nonsynonymous and 600 synonymous substitutions sites of the exon (Figure 2).

Figure 2: Matrix showing the number of synonymous and nonsynonymous substitutions between pairs of species of Drosophila.

Introduction:

Biologists are able to make inference about the type of natural selection, by the study based on molecular evolutionary patterns of genes. These inferences are important to know, about the gene functioning and how they evolve over the time, in response to the new function and conditions.

Expert Solution & Answer

Explanation of Solution

According to the given analysis, there are, on an average, 54 synonymous substitutions occurs between the lineages. These lineages were diverged 18 million years ago. So, there are about 1.5 synonymous substitutions per million year for the entire exon.

Therefore, the information used for calculation of the rate is:

Time period: 18 million years ago

Substitution per million years: 1.5

Lineages: 2

Generation per year: 5

Synonymous sites: 600

Thus, for rate of substitution per generation is:

90,000,000 years × 2 lineages × 5 generations/year × 0.0000003 synonymous substitutions/generation = 3×10^-7

Similarly, the rate of substitution per site is:

(90,000,000 years × 2 lineages × 5 generations/year × 0.0000003 synonymous substitutions/generation)/600 synonymous site = 5 × 10⁻¹⁰

Graph given below shows number of substitution along with millions of years.

EBK LIFE: THE SCIENCE OF BIOLOGY, Chapter 23, Problem 1Q , additional homework tip 3

Conclusion

Therefore, it can be concluded that the rates are 3 ×10⁻⁷ per generations and 5 × 10⁻¹⁰ per site.

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Three of the many recessive mutations in Drosophila melanogaster that affect body color, wing shape, or bristle morphology are black (b) body versus grey in wild type, dumpy (dp), obliquely truncated wings versus long wings in the male, and hooked (hk) bristles versus not hooked in the wild type. From a cross of a dumpy female with a black and hooked male, all of the F1 were wild type for all three of the characters. The testcross of an F1 female with a dumpy, black, hooked male gave the following results: Trait Number of individuals Wild type 169 Black 19 Black, hooked 301 Dumpy, hooked 21 Hooked, dumpy, black 172 Dumpy, black 6 Dumpy 305 Hooked 8 Determine the order of the genes and the mapping distance between genes. Determine the coefficient of confidence for the portion of the chromosome involved in the cross. How much interference takes place in the cross?

Answer 2

Question

Chapter 23, Problem 1Q

Summary Introduction

To review:

The relationship between the number of synonymous substitutions and the years of divergence between each pair of species, with the help of a graph. Also, estimate the rates of synonymous substitutions per million years and per generation for the complete axon on a per-site basis.

Given:

In the given study, a hypothetical gene encodes for the transcription factor in various species of Drosophila. According to the diagram (Figure 1) given below, one exon of this gene is sequenced in four species.

Figure 1: Million of years ago.

The matrix shows the number of synonymous and nonsynonymous substitutions between pairs of different Drosophila species, which evolved as a result of evolution. There are 2,000 nonsynonymous and 600 synonymous substitutions sites of the exon (Figure 2).

Figure 2: Matrix showing the number of synonymous and nonsynonymous substitutions between pairs of species of Drosophila.

Introduction:

Biologists are able to make inference about the type of natural selection, by the study based on molecular evolutionary patterns of genes. These inferences are important to know, about the gene functioning and how they evolve over the time, in response to the new function and conditions.

Expert Solution & Answer

Explanation of Solution

According to the given analysis, there are, on an average, 54 synonymous substitutions occurs between the lineages. These lineages were diverged 18 million years ago. So, there are about 1.5 synonymous substitutions per million year for the entire exon.

Therefore, the information used for calculation of the rate is:

Time period: 18 million years ago

Substitution per million years: 1.5

Lineages: 2

Generation per year: 5

Synonymous sites: 600

Thus, for rate of substitution per generation is:

90,000,000 years × 2 lineages × 5 generations/year × 0.0000003 synonymous substitutions/generation = 3×10^-7

Similarly, the rate of substitution per site is:

(90,000,000 years × 2 lineages × 5 generations/year × 0.0000003 synonymous substitutions/generation)/600 synonymous site = 5 × 10⁻¹⁰

Graph given below shows number of substitution along with millions of years.

EBK LIFE: THE SCIENCE OF BIOLOGY, Chapter 23, Problem 1Q , additional homework tip 3

Conclusion

Therefore, it can be concluded that the rates are 3 ×10⁻⁷ per generations and 5 × 10⁻¹⁰ per site.

Want to see more full solutions like this?

Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 3

Question

Chapter 23, Problem 1Q

Summary Introduction

To review:

The relationship between the number of synonymous substitutions and the years of divergence between each pair of species, with the help of a graph. Also, estimate the rates of synonymous substitutions per million years and per generation for the complete axon on a per-site basis.

Given:

In the given study, a hypothetical gene encodes for the transcription factor in various species of Drosophila. According to the diagram (Figure 1) given below, one exon of this gene is sequenced in four species.

Figure 1: Million of years ago.

The matrix shows the number of synonymous and nonsynonymous substitutions between pairs of different Drosophila species, which evolved as a result of evolution. There are 2,000 nonsynonymous and 600 synonymous substitutions sites of the exon (Figure 2).

Figure 2: Matrix showing the number of synonymous and nonsynonymous substitutions between pairs of species of Drosophila.

Introduction:

Biologists are able to make inference about the type of natural selection, by the study based on molecular evolutionary patterns of genes. These inferences are important to know, about the gene functioning and how they evolve over the time, in response to the new function and conditions.

Expert Solution & Answer

Explanation of Solution

According to the given analysis, there are, on an average, 54 synonymous substitutions occurs between the lineages. These lineages were diverged 18 million years ago. So, there are about 1.5 synonymous substitutions per million year for the entire exon.

Therefore, the information used for calculation of the rate is:

Time period: 18 million years ago

Substitution per million years: 1.5

Lineages: 2

Generation per year: 5

Synonymous sites: 600

Thus, for rate of substitution per generation is:

90,000,000 years × 2 lineages × 5 generations/year × 0.0000003 synonymous substitutions/generation = 3×10^-7

Similarly, the rate of substitution per site is:

(90,000,000 years × 2 lineages × 5 generations/year × 0.0000003 synonymous substitutions/generation)/600 synonymous site = 5 × 10⁻¹⁰

Graph given below shows number of substitution along with millions of years.

EBK LIFE: THE SCIENCE OF BIOLOGY, Chapter 23, Problem 1Q , additional homework tip 3

Conclusion

Therefore, it can be concluded that the rates are 3 ×10⁻⁷ per generations and 5 × 10⁻¹⁰ per site.

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Answer 4

Question

Chapter 23, Problem 1Q

Summary Introduction

To review:

The relationship between the number of synonymous substitutions and the years of divergence between each pair of species, with the help of a graph. Also, estimate the rates of synonymous substitutions per million years and per generation for the complete axon on a per-site basis.

Given:

In the given study, a hypothetical gene encodes for the transcription factor in various species of Drosophila. According to the diagram (Figure 1) given below, one exon of this gene is sequenced in four species.

Figure 1: Million of years ago.

The matrix shows the number of synonymous and nonsynonymous substitutions between pairs of different Drosophila species, which evolved as a result of evolution. There are 2,000 nonsynonymous and 600 synonymous substitutions sites of the exon (Figure 2).

Figure 2: Matrix showing the number of synonymous and nonsynonymous substitutions between pairs of species of Drosophila.

Introduction:

Biologists are able to make inference about the type of natural selection, by the study based on molecular evolutionary patterns of genes. These inferences are important to know, about the gene functioning and how they evolve over the time, in response to the new function and conditions.

Expert Solution & Answer

Explanation of Solution

According to the given analysis, there are, on an average, 54 synonymous substitutions occurs between the lineages. These lineages were diverged 18 million years ago. So, there are about 1.5 synonymous substitutions per million year for the entire exon.

Therefore, the information used for calculation of the rate is:

Time period: 18 million years ago

Substitution per million years: 1.5

Lineages: 2

Generation per year: 5

Synonymous sites: 600

Thus, for rate of substitution per generation is:

90,000,000 years × 2 lineages × 5 generations/year × 0.0000003 synonymous substitutions/generation = 3×10^-7

Similarly, the rate of substitution per site is:

(90,000,000 years × 2 lineages × 5 generations/year × 0.0000003 synonymous substitutions/generation)/600 synonymous site = 5 × 10⁻¹⁰

Graph given below shows number of substitution along with millions of years.

EBK LIFE: THE SCIENCE OF BIOLOGY, Chapter 23, Problem 1Q , additional homework tip 3

Conclusion

Therefore, it can be concluded that the rates are 3 ×10⁻⁷ per generations and 5 × 10⁻¹⁰ per site.

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 5

Chapter 23, Problem 1Q

Summary Introduction

To review:

The relationship between the number of synonymous substitutions and the years of divergence between each pair of species, with the help of a graph. Also, estimate the rates of synonymous substitutions per million years and per generation for the complete axon on a per-site basis.

Given:

In the given study, a hypothetical gene encodes for the transcription factor in various species of Drosophila. According to the diagram (Figure 1) given below, one exon of this gene is sequenced in four species.

Figure 1: Million of years ago.

The matrix shows the number of synonymous and nonsynonymous substitutions between pairs of different Drosophila species, which evolved as a result of evolution. There are 2,000 nonsynonymous and 600 synonymous substitutions sites of the exon (Figure 2).

Figure 2: Matrix showing the number of synonymous and nonsynonymous substitutions between pairs of species of Drosophila.

Introduction:

Biologists are able to make inference about the type of natural selection, by the study based on molecular evolutionary patterns of genes. These inferences are important to know, about the gene functioning and how they evolve over the time, in response to the new function and conditions.

Expert Solution & Answer

Explanation of Solution

According to the given analysis, there are, on an average, 54 synonymous substitutions occurs between the lineages. These lineages were diverged 18 million years ago. So, there are about 1.5 synonymous substitutions per million year for the entire exon.

Therefore, the information used for calculation of the rate is:

Time period: 18 million years ago

Substitution per million years: 1.5

Lineages: 2

Generation per year: 5

Synonymous sites: 600

Thus, for rate of substitution per generation is:

90,000,000 years × 2 lineages × 5 generations/year × 0.0000003 synonymous substitutions/generation = 3×10^-7

Similarly, the rate of substitution per site is:

(90,000,000 years × 2 lineages × 5 generations/year × 0.0000003 synonymous substitutions/generation)/600 synonymous site = 5 × 10⁻¹⁰

Graph given below shows number of substitution along with millions of years.

EBK LIFE: THE SCIENCE OF BIOLOGY, Chapter 23, Problem 1Q , additional homework tip 3

Conclusion

Therefore, it can be concluded that the rates are 3 ×10⁻⁷ per generations and 5 × 10⁻¹⁰ per site.

Answer 6

Chapter 23, Problem 1Q

Summary Introduction

To review:

The relationship between the number of synonymous substitutions and the years of divergence between each pair of species, with the help of a graph. Also, estimate the rates of synonymous substitutions per million years and per generation for the complete axon on a per-site basis.

Given:

In the given study, a hypothetical gene encodes for the transcription factor in various species of Drosophila. According to the diagram (Figure 1) given below, one exon of this gene is sequenced in four species.

Figure 1: Million of years ago.

The matrix shows the number of synonymous and nonsynonymous substitutions between pairs of different Drosophila species, which evolved as a result of evolution. There are 2,000 nonsynonymous and 600 synonymous substitutions sites of the exon (Figure 2).

Figure 2: Matrix showing the number of synonymous and nonsynonymous substitutions between pairs of species of Drosophila.

Introduction:

Biologists are able to make inference about the type of natural selection, by the study based on molecular evolutionary patterns of genes. These inferences are important to know, about the gene functioning and how they evolve over the time, in response to the new function and conditions.

Expert Solution & Answer

Explanation of Solution

According to the given analysis, there are, on an average, 54 synonymous substitutions occurs between the lineages. These lineages were diverged 18 million years ago. So, there are about 1.5 synonymous substitutions per million year for the entire exon.

Therefore, the information used for calculation of the rate is:

Time period: 18 million years ago

Substitution per million years: 1.5

Lineages: 2

Generation per year: 5

Synonymous sites: 600

Thus, for rate of substitution per generation is:

90,000,000 years × 2 lineages × 5 generations/year × 0.0000003 synonymous substitutions/generation = 3×10^-7

Similarly, the rate of substitution per site is:

(90,000,000 years × 2 lineages × 5 generations/year × 0.0000003 synonymous substitutions/generation)/600 synonymous site = 5 × 10⁻¹⁰

Graph given below shows number of substitution along with millions of years.

EBK LIFE: THE SCIENCE OF BIOLOGY, Chapter 23, Problem 1Q , additional homework tip 3

Conclusion

Therefore, it can be concluded that the rates are 3 ×10⁻⁷ per generations and 5 × 10⁻¹⁰ per site.

Answer 7

Chapter 23, Problem 1Q

Summary Introduction

To review:

The relationship between the number of synonymous substitutions and the years of divergence between each pair of species, with the help of a graph. Also, estimate the rates of synonymous substitutions per million years and per generation for the complete axon on a per-site basis.

Given:

In the given study, a hypothetical gene encodes for the transcription factor in various species of Drosophila. According to the diagram (Figure 1) given below, one exon of this gene is sequenced in four species.

Figure 1: Million of years ago.

The matrix shows the number of synonymous and nonsynonymous substitutions between pairs of different Drosophila species, which evolved as a result of evolution. There are 2,000 nonsynonymous and 600 synonymous substitutions sites of the exon (Figure 2).

Figure 2: Matrix showing the number of synonymous and nonsynonymous substitutions between pairs of species of Drosophila.

Introduction:

Biologists are able to make inference about the type of natural selection, by the study based on molecular evolutionary patterns of genes. These inferences are important to know, about the gene functioning and how they evolve over the time, in response to the new function and conditions.

Answer 8

Expert Solution & Answer

Explanation of Solution

According to the given analysis, there are, on an average, 54 synonymous substitutions occurs between the lineages. These lineages were diverged 18 million years ago. So, there are about 1.5 synonymous substitutions per million year for the entire exon.

Therefore, the information used for calculation of the rate is:

Time period: 18 million years ago

Substitution per million years: 1.5

Lineages: 2

Generation per year: 5

Synonymous sites: 600

Thus, for rate of substitution per generation is:

90,000,000 years × 2 lineages × 5 generations/year × 0.0000003 synonymous substitutions/generation = 3×10^-7

Similarly, the rate of substitution per site is:

(90,000,000 years × 2 lineages × 5 generations/year × 0.0000003 synonymous substitutions/generation)/600 synonymous site = 5 × 10⁻¹⁰

Graph given below shows number of substitution along with millions of years.

EBK LIFE: THE SCIENCE OF BIOLOGY, Chapter 23, Problem 1Q , additional homework tip 3