The mechanism to analyze whether the opsin gene in eyeless crayfish was inherited from an eyed ancestor and then lost its function or it has a new function other than vision. Introduction: Crayfish species that live as surface dwellers have functional eyes, while those that live in underground caves have lost their vision. However, both the species show expression of the opsin gene, which plays an important role in vision.

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Answer 1

Question

Chapter 23.2, Problem 1R

Summary Introduction

To review:

The mechanism to analyze whether the opsin gene in eyeless crayfish was inherited from an eyed ancestor and then lost its function or it has a new function other than vision.

Introduction:

Crayfish species that live as surface dwellers have functional eyes, while those that live in underground caves have lost their vision. However, both the species show expression of the opsin gene, which plays an important role in vision.

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Answer 2

Question

Chapter 23.2, Problem 1R

Summary Introduction

To review:

The mechanism to analyze whether the opsin gene in eyeless crayfish was inherited from an eyed ancestor and then lost its function or it has a new function other than vision.

Introduction:

Crayfish species that live as surface dwellers have functional eyes, while those that live in underground caves have lost their vision. However, both the species show expression of the opsin gene, which plays an important role in vision.

Expert Solution & Answer

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Answer 3

Question

Chapter 23.2, Problem 1R

Summary Introduction

To review:

The mechanism to analyze whether the opsin gene in eyeless crayfish was inherited from an eyed ancestor and then lost its function or it has a new function other than vision.

Introduction:

Crayfish species that live as surface dwellers have functional eyes, while those that live in underground caves have lost their vision. However, both the species show expression of the opsin gene, which plays an important role in vision.

Expert Solution & Answer

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Answer 4

Question

Chapter 23.2, Problem 1R

Summary Introduction

To review:

The mechanism to analyze whether the opsin gene in eyeless crayfish was inherited from an eyed ancestor and then lost its function or it has a new function other than vision.

Introduction:

Crayfish species that live as surface dwellers have functional eyes, while those that live in underground caves have lost their vision. However, both the species show expression of the opsin gene, which plays an important role in vision.

Expert Solution & Answer

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Answer 5

Chapter 23.2, Problem 1R

Summary Introduction

To review:

The mechanism to analyze whether the opsin gene in eyeless crayfish was inherited from an eyed ancestor and then lost its function or it has a new function other than vision.

Introduction:

Crayfish species that live as surface dwellers have functional eyes, while those that live in underground caves have lost their vision. However, both the species show expression of the opsin gene, which plays an important role in vision.

Answer 6

Chapter 23.2, Problem 1R

Summary Introduction

To review:

The mechanism to analyze whether the opsin gene in eyeless crayfish was inherited from an eyed ancestor and then lost its function or it has a new function other than vision.

Introduction:

Crayfish species that live as surface dwellers have functional eyes, while those that live in underground caves have lost their vision. However, both the species show expression of the opsin gene, which plays an important role in vision.

Answer 7

Chapter 23.2, Problem 1R

Summary Introduction

To review:

The mechanism to analyze whether the opsin gene in eyeless crayfish was inherited from an eyed ancestor and then lost its function or it has a new function other than vision.

Introduction:

Crayfish species that live as surface dwellers have functional eyes, while those that live in underground caves have lost their vision. However, both the species show expression of the opsin gene, which plays an important role in vision.

Answer 8

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Answer 9

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Answer 10

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Answer 11

Ch. 23.1 - Prob. 1R Ch. 23.1 - Prob. 2R Ch. 23.2 - Prob. 1R Ch. 23.2 - Prob. 2R Ch. 23.2 - Prob. 3R Ch. 23.2 - Prob. 4R Ch. 23.3 - Prob. 1R Ch. 23.3 - Prob. 2R Ch. 23.3 - Prob. 3R Ch. 23.3 - Prob. 4R

Solution Summary: The author explains the mechanism to analyze whether the opsin gene in eyeless crayfish was inherited from an eyed ancestor and then lost its function or it adopted a new function.

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