The homeobox genes are also called ‘hox’ genes. They are of various types, like Hox and PraraHox genes. These genes are important for the segmentation of the body. The hox gene sequences are always conserved. There are some hox genes which are similar in Drosophila and Humans.

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Chapter 23, Problem 9TYK

Summary Introduction

Introduction:

The homeobox genes are also called ‘hox’ genes. They are of various types, like Hox and PraraHox genes. These genes are important for the segmentation of the body. The hox gene sequences are always conserved. There are some hox genes which are similar in Drosophila and Humans.

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Evolutionary theory predicts that species are related, not independent. Four of the following examples provide support for this prediction, but one is irrelevant. Which of examples listed below does not support the claim that species are related? A. Many dinosaurs and other organisms went extinct following a huge asteroid impact at the end of the Cretaceous. B. Before synthetic insulin was available, diabetics used injections of purified pig insulin to manage their disease. C. The endostyle of lancelets (invertebrate chordates) and the thyroid gland of vertebrates develop similarly, and both produce iodinated proteins. D. All prokaryotes and eukaryotes use DNA to carry their genetic information. E. Ground squirrel species found on the North and South sides of the Grand Canyon are very similar to each other.

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Answer 2

Question

Chapter 23, Problem 9TYK

Summary Introduction

Introduction:

The homeobox genes are also called ‘hox’ genes. They are of various types, like Hox and PraraHox genes. These genes are important for the segmentation of the body. The hox gene sequences are always conserved. There are some hox genes which are similar in Drosophila and Humans.

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Answer 3

Question

Chapter 23, Problem 9TYK

Summary Introduction

Introduction:

The homeobox genes are also called ‘hox’ genes. They are of various types, like Hox and PraraHox genes. These genes are important for the segmentation of the body. The hox gene sequences are always conserved. There are some hox genes which are similar in Drosophila and Humans.

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Answer 4

Question

Chapter 23, Problem 9TYK

Summary Introduction

Introduction:

The homeobox genes are also called ‘hox’ genes. They are of various types, like Hox and PraraHox genes. These genes are important for the segmentation of the body. The hox gene sequences are always conserved. There are some hox genes which are similar in Drosophila and Humans.

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Answer 5

Chapter 23, Problem 9TYK

Summary Introduction

Introduction:

The homeobox genes are also called ‘hox’ genes. They are of various types, like Hox and PraraHox genes. These genes are important for the segmentation of the body. The hox gene sequences are always conserved. There are some hox genes which are similar in Drosophila and Humans.

Answer 6

Chapter 23, Problem 9TYK

Summary Introduction

Introduction:

The homeobox genes are also called ‘hox’ genes. They are of various types, like Hox and PraraHox genes. These genes are important for the segmentation of the body. The hox gene sequences are always conserved. There are some hox genes which are similar in Drosophila and Humans.

Answer 7

Chapter 23, Problem 9TYK

Summary Introduction

Introduction:

The homeobox genes are also called ‘hox’ genes. They are of various types, like Hox and PraraHox genes. These genes are important for the segmentation of the body. The hox gene sequences are always conserved. There are some hox genes which are similar in Drosophila and Humans.

Answer 8

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Answer 11

Ch. 23.1 - What biological materials are the most likely to...Ch. 23.1 - Prob. 2SB Ch. 23.1 - Prob. 3SB Ch. 23.2 - Prob. 1SB Ch. 23.2 - Prob. 2SB Ch. 23.3 - Which type of geographical distribution requires...Ch. 23.3 - Why do distantly related species that live in...Ch. 23.4 - What factors might allow a population of organisms...Ch. 23.4 - What events apparently triggered the mass...Ch. 23.4 - Prob. 3SB

The homeobox genes are also called ‘hox’ genes. They are of various types, like Hox and PraraHox genes. These genes are important for the segmentation of the body. The hox gene sequences are always conserved. There are some hox genes which are similar in Drosophila and Humans.

Solution Summary: The author concludes that the homeobox genes code for transcription factors activating or repressing genes that influence an organism's form.

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Introduction:

The homeobox genes are also called ‘hox’ genes. They are of various types, like Hox and PraraHox genes. These genes are important for the segmentation of the body. The hox gene sequences are always conserved. There are some hox genes which are similar in Drosophila and Humans.

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Chapter 23 Solutions

The homeobox genes are also called ‘hox’ genes. They are of various types, like Hox and PraraHox genes. These genes are important for the segmentation of the body. The hox gene sequences are always conserved. There are some hox genes which are similar in Drosophila and Humans.

Solution Summary: The author concludes that the homeobox genes code for transcription factors activating or repressing genes that influence an organism's form.

Concept explainers

Videos

Introduction: The homeobox genes are also called ‘hox’ genes. They are of various types, like Hox and PraraHox genes. These genes are important for the segmentation of the body. The hox gene sequences are always conserved. There are some hox genes which are similar in Drosophila and Humans.

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Chapter 23 Solutions

Introduction:

The homeobox genes are also called ‘hox’ genes. They are of various types, like Hox and PraraHox genes. These genes are important for the segmentation of the body. The hox gene sequences are always conserved. There are some hox genes which are similar in Drosophila and Humans.