By using the phylogenetic tree given, it is required to construct hypothesis about the origin of the virus lineages by using virus isolates that are given on the right of the tree. Given: It is given that a virus which spread in West Nile killed many bird species and caused inflammation of the human brain and in horses. In 1930, it was first found in Africa. Then in 1990, it was found throughout Eurasia. In 1999, it was first detected in New York and spread across the United States. The phylogenetic tree of West Nile is shown below: Introduction: A phylogenetic tree shows evolutionary relationship among various biological species. It is important to reconstruct with the help of phylogenic tree to know the past of the biological processes. In case of infectious diseases, it is important to know that how, when and where disease initially entered the human body and population. This can be done by making a phylogenic tree and tracing traits of the diseases.

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Answer 1

Question

Chapter 21.3, Problem 1R

Summary Introduction

To review:

By using the phylogenetic tree given, it is required to construct hypothesis about the origin of the virus lineages by using virus isolates that are given on the right of the tree.

Given:

It is given that a virus which spread in West Nile killed many bird species and caused inflammation of the human brain and in horses. In 1930, it was first found in Africa. Then in 1990, it was found throughout Eurasia. In 1999, it was first detected in New York and spread across the United States. The phylogenetic tree of West Nile is shown below:

Introduction:

A phylogenetic tree shows evolutionary relationship among various biological species. It is important to reconstruct with the help of phylogenic tree to know the past of the biological processes. In case of infectious diseases, it is important to know that how, when and where disease initially entered the human body and population. This can be done by making a phylogenic tree and tracing traits of the diseases.

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Answer 2

Question

Chapter 21.3, Problem 1R

Summary Introduction

To review:

By using the phylogenetic tree given, it is required to construct hypothesis about the origin of the virus lineages by using virus isolates that are given on the right of the tree.

Given:

It is given that a virus which spread in West Nile killed many bird species and caused inflammation of the human brain and in horses. In 1930, it was first found in Africa. Then in 1990, it was found throughout Eurasia. In 1999, it was first detected in New York and spread across the United States. The phylogenetic tree of West Nile is shown below:

Introduction:

A phylogenetic tree shows evolutionary relationship among various biological species. It is important to reconstruct with the help of phylogenic tree to know the past of the biological processes. In case of infectious diseases, it is important to know that how, when and where disease initially entered the human body and population. This can be done by making a phylogenic tree and tracing traits of the diseases.

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Answer 3

Question

Chapter 21.3, Problem 1R

Summary Introduction

To review:

By using the phylogenetic tree given, it is required to construct hypothesis about the origin of the virus lineages by using virus isolates that are given on the right of the tree.

Given:

It is given that a virus which spread in West Nile killed many bird species and caused inflammation of the human brain and in horses. In 1930, it was first found in Africa. Then in 1990, it was found throughout Eurasia. In 1999, it was first detected in New York and spread across the United States. The phylogenetic tree of West Nile is shown below:

Introduction:

A phylogenetic tree shows evolutionary relationship among various biological species. It is important to reconstruct with the help of phylogenic tree to know the past of the biological processes. In case of infectious diseases, it is important to know that how, when and where disease initially entered the human body and population. This can be done by making a phylogenic tree and tracing traits of the diseases.

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Answer 4

Question

Chapter 21.3, Problem 1R

Summary Introduction

To review:

By using the phylogenetic tree given, it is required to construct hypothesis about the origin of the virus lineages by using virus isolates that are given on the right of the tree.

Given:

It is given that a virus which spread in West Nile killed many bird species and caused inflammation of the human brain and in horses. In 1930, it was first found in Africa. Then in 1990, it was found throughout Eurasia. In 1999, it was first detected in New York and spread across the United States. The phylogenetic tree of West Nile is shown below:

Introduction:

A phylogenetic tree shows evolutionary relationship among various biological species. It is important to reconstruct with the help of phylogenic tree to know the past of the biological processes. In case of infectious diseases, it is important to know that how, when and where disease initially entered the human body and population. This can be done by making a phylogenic tree and tracing traits of the diseases.

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Answer 5

Chapter 21.3, Problem 1R

Summary Introduction

To review:

By using the phylogenetic tree given, it is required to construct hypothesis about the origin of the virus lineages by using virus isolates that are given on the right of the tree.

Given:

It is given that a virus which spread in West Nile killed many bird species and caused inflammation of the human brain and in horses. In 1930, it was first found in Africa. Then in 1990, it was found throughout Eurasia. In 1999, it was first detected in New York and spread across the United States. The phylogenetic tree of West Nile is shown below:

Introduction:

A phylogenetic tree shows evolutionary relationship among various biological species. It is important to reconstruct with the help of phylogenic tree to know the past of the biological processes. In case of infectious diseases, it is important to know that how, when and where disease initially entered the human body and population. This can be done by making a phylogenic tree and tracing traits of the diseases.

Answer 6

Chapter 21.3, Problem 1R

Summary Introduction

To review:

By using the phylogenetic tree given, it is required to construct hypothesis about the origin of the virus lineages by using virus isolates that are given on the right of the tree.

Given:

It is given that a virus which spread in West Nile killed many bird species and caused inflammation of the human brain and in horses. In 1930, it was first found in Africa. Then in 1990, it was found throughout Eurasia. In 1999, it was first detected in New York and spread across the United States. The phylogenetic tree of West Nile is shown below:

Introduction:

A phylogenetic tree shows evolutionary relationship among various biological species. It is important to reconstruct with the help of phylogenic tree to know the past of the biological processes. In case of infectious diseases, it is important to know that how, when and where disease initially entered the human body and population. This can be done by making a phylogenic tree and tracing traits of the diseases.

Answer 7

Chapter 21.3, Problem 1R

Summary Introduction

To review:

By using the phylogenetic tree given, it is required to construct hypothesis about the origin of the virus lineages by using virus isolates that are given on the right of the tree.

Given:

It is given that a virus which spread in West Nile killed many bird species and caused inflammation of the human brain and in horses. In 1930, it was first found in Africa. Then in 1990, it was found throughout Eurasia. In 1999, it was first detected in New York and spread across the United States. The phylogenetic tree of West Nile is shown below:

Introduction:

A phylogenetic tree shows evolutionary relationship among various biological species. It is important to reconstruct with the help of phylogenic tree to know the past of the biological processes. In case of infectious diseases, it is important to know that how, when and where disease initially entered the human body and population. This can be done by making a phylogenic tree and tracing traits of the diseases.

Answer 8

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Answer 10

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Answer 11

Ch. 21.1 - Prob. 1R Ch. 21.1 - Prob. 2R Ch. 21.1 - Prob. 3R Ch. 21.2 - Prob. 1R Ch. 21.2 - Prob. 2R Ch. 21.2 - Prob. 3R Ch. 21.2 - Prob. 4R Ch. 21.3 - Prob. 1R Ch. 21.3 - Prob. 2R Ch. 21.4 - Prob. 1R

Solution Summary: The author explains that a phylogenetic tree shows evolutionary relationship among various biological species.

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