The fertilization process takes place when the sperm from the male fertilizes the female oocyte in the uterus of the egg. It leads to the formation of the zygote which later develops to form the embryo.

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Answer 1

Question

Chapter 42, Problem 1FIB

Summary Introduction

Introduction:

The fertilization process takes place when the sperm from the male fertilizes the female oocyte in the uterus of the egg. It leads to the formation of the zygote which later develops to form the embryo.

Expert Solution & Answer

Answer to Problem 1FIB

Correct answer:

A fertilized egg, also called a zygote, is a very large cell. One of the first events of animal development is the division of this cell, a process called cleavage, to produce a solid ball of much smaller cell, the morula. Soon a cavity opens in this ball of cells, producing a hollow ball called the blastula or blastocyst. Movements of cells in this hollow ball during gastrulation produce the three embryonic tissue layers, the ectoderm, mesoderm and endoderm.

Explanation of Solution

Zygote is formed after the egg is fertilized by the sperm. The division and cleavage of the zygote forms a morula. The continuous division of cells forms a hollow cavity of blastocyst. The process of gastrulation begins at the blastopore site. The cells migrate from the outer surface to the inside of the cell forming the blastula. The three layers of ectoderm, mesoderm and endoderm. The endodermis layer forms the digestive tract, hairs and skin cells are formed from the ectoderm layer, muscles, skeletal system and circulatory system are formed from the mesoderm layer of the cells.

Conclusion

The formation of embryo from the fertilized egg involves several steps like formation of zygote, morula, gastrula, blastula, and various layers of ectoderm, mesoderm and endoderm.

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Question #3: In the KeyGene paper, the authors state that it would be useful if pollen from an apomict would transmit apomixis-inducing genes to the female in the cross (assuming the pollen is viable). Assuming there was just one gene conferring gametophytic obligate apomixis, and that the two parents are inbreds, what would be the consequences of such a cross if: a) The apomixis was a dominant trait? Indicate the genotypes and phenotypes (apomict or non- apomict) of the parents, F1 and F2 generations. Remember to include the expected genotypic and phenotypic ratios (or percentages) in the F1 and F2 generations, and to position the female first (left side) in the parental cross. b) The apomixis was a recessive trait? Indicate the genotypes and phenotypes (apomict or non- apomict) of the parents, F1 and F2 generations. Remember to include the expected genotypic and phenotypic ratios (or percentages) in the F1 and F2 generations, and to position the female first (left side) in the…

Answer 2

Question

Chapter 42, Problem 1FIB

Summary Introduction

Introduction:

The fertilization process takes place when the sperm from the male fertilizes the female oocyte in the uterus of the egg. It leads to the formation of the zygote which later develops to form the embryo.

Expert Solution & Answer

Answer to Problem 1FIB

Correct answer:

A fertilized egg, also called a zygote, is a very large cell. One of the first events of animal development is the division of this cell, a process called cleavage, to produce a solid ball of much smaller cell, the morula. Soon a cavity opens in this ball of cells, producing a hollow ball called the blastula or blastocyst. Movements of cells in this hollow ball during gastrulation produce the three embryonic tissue layers, the ectoderm, mesoderm and endoderm.

Explanation of Solution

Zygote is formed after the egg is fertilized by the sperm. The division and cleavage of the zygote forms a morula. The continuous division of cells forms a hollow cavity of blastocyst. The process of gastrulation begins at the blastopore site. The cells migrate from the outer surface to the inside of the cell forming the blastula. The three layers of ectoderm, mesoderm and endoderm. The endodermis layer forms the digestive tract, hairs and skin cells are formed from the ectoderm layer, muscles, skeletal system and circulatory system are formed from the mesoderm layer of the cells.

Conclusion

The formation of embryo from the fertilized egg involves several steps like formation of zygote, morula, gastrula, blastula, and various layers of ectoderm, mesoderm and endoderm.

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Answer 3

Question

Chapter 42, Problem 1FIB

Summary Introduction

Introduction:

The fertilization process takes place when the sperm from the male fertilizes the female oocyte in the uterus of the egg. It leads to the formation of the zygote which later develops to form the embryo.

Expert Solution & Answer

Answer to Problem 1FIB

Correct answer:

A fertilized egg, also called a zygote, is a very large cell. One of the first events of animal development is the division of this cell, a process called cleavage, to produce a solid ball of much smaller cell, the morula. Soon a cavity opens in this ball of cells, producing a hollow ball called the blastula or blastocyst. Movements of cells in this hollow ball during gastrulation produce the three embryonic tissue layers, the ectoderm, mesoderm and endoderm.

Explanation of Solution

Zygote is formed after the egg is fertilized by the sperm. The division and cleavage of the zygote forms a morula. The continuous division of cells forms a hollow cavity of blastocyst. The process of gastrulation begins at the blastopore site. The cells migrate from the outer surface to the inside of the cell forming the blastula. The three layers of ectoderm, mesoderm and endoderm. The endodermis layer forms the digestive tract, hairs and skin cells are formed from the ectoderm layer, muscles, skeletal system and circulatory system are formed from the mesoderm layer of the cells.

Conclusion

The formation of embryo from the fertilized egg involves several steps like formation of zygote, morula, gastrula, blastula, and various layers of ectoderm, mesoderm and endoderm.

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Answer 4

Question

Chapter 42, Problem 1FIB

Summary Introduction

Introduction:

The fertilization process takes place when the sperm from the male fertilizes the female oocyte in the uterus of the egg. It leads to the formation of the zygote which later develops to form the embryo.

Expert Solution & Answer

Answer to Problem 1FIB

Correct answer:

A fertilized egg, also called a zygote, is a very large cell. One of the first events of animal development is the division of this cell, a process called cleavage, to produce a solid ball of much smaller cell, the morula. Soon a cavity opens in this ball of cells, producing a hollow ball called the blastula or blastocyst. Movements of cells in this hollow ball during gastrulation produce the three embryonic tissue layers, the ectoderm, mesoderm and endoderm.

Explanation of Solution

Zygote is formed after the egg is fertilized by the sperm. The division and cleavage of the zygote forms a morula. The continuous division of cells forms a hollow cavity of blastocyst. The process of gastrulation begins at the blastopore site. The cells migrate from the outer surface to the inside of the cell forming the blastula. The three layers of ectoderm, mesoderm and endoderm. The endodermis layer forms the digestive tract, hairs and skin cells are formed from the ectoderm layer, muscles, skeletal system and circulatory system are formed from the mesoderm layer of the cells.

Conclusion

The formation of embryo from the fertilized egg involves several steps like formation of zygote, morula, gastrula, blastula, and various layers of ectoderm, mesoderm and endoderm.

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Answer 5

Chapter 42, Problem 1FIB

Summary Introduction

Introduction:

The fertilization process takes place when the sperm from the male fertilizes the female oocyte in the uterus of the egg. It leads to the formation of the zygote which later develops to form the embryo.

Expert Solution & Answer

Answer to Problem 1FIB

Correct answer:

A fertilized egg, also called a zygote, is a very large cell. One of the first events of animal development is the division of this cell, a process called cleavage, to produce a solid ball of much smaller cell, the morula. Soon a cavity opens in this ball of cells, producing a hollow ball called the blastula or blastocyst. Movements of cells in this hollow ball during gastrulation produce the three embryonic tissue layers, the ectoderm, mesoderm and endoderm.

Explanation of Solution

Zygote is formed after the egg is fertilized by the sperm. The division and cleavage of the zygote forms a morula. The continuous division of cells forms a hollow cavity of blastocyst. The process of gastrulation begins at the blastopore site. The cells migrate from the outer surface to the inside of the cell forming the blastula. The three layers of ectoderm, mesoderm and endoderm. The endodermis layer forms the digestive tract, hairs and skin cells are formed from the ectoderm layer, muscles, skeletal system and circulatory system are formed from the mesoderm layer of the cells.

Conclusion

The formation of embryo from the fertilized egg involves several steps like formation of zygote, morula, gastrula, blastula, and various layers of ectoderm, mesoderm and endoderm.

Answer 6

Chapter 42, Problem 1FIB

Summary Introduction

Introduction:

The fertilization process takes place when the sperm from the male fertilizes the female oocyte in the uterus of the egg. It leads to the formation of the zygote which later develops to form the embryo.

Expert Solution & Answer

Answer to Problem 1FIB

Correct answer:

A fertilized egg, also called a zygote, is a very large cell. One of the first events of animal development is the division of this cell, a process called cleavage, to produce a solid ball of much smaller cell, the morula. Soon a cavity opens in this ball of cells, producing a hollow ball called the blastula or blastocyst. Movements of cells in this hollow ball during gastrulation produce the three embryonic tissue layers, the ectoderm, mesoderm and endoderm.

Explanation of Solution

Zygote is formed after the egg is fertilized by the sperm. The division and cleavage of the zygote forms a morula. The continuous division of cells forms a hollow cavity of blastocyst. The process of gastrulation begins at the blastopore site. The cells migrate from the outer surface to the inside of the cell forming the blastula. The three layers of ectoderm, mesoderm and endoderm. The endodermis layer forms the digestive tract, hairs and skin cells are formed from the ectoderm layer, muscles, skeletal system and circulatory system are formed from the mesoderm layer of the cells.

Conclusion

The formation of embryo from the fertilized egg involves several steps like formation of zygote, morula, gastrula, blastula, and various layers of ectoderm, mesoderm and endoderm.

Answer 7

Chapter 42, Problem 1FIB

Summary Introduction

Introduction:

The fertilization process takes place when the sperm from the male fertilizes the female oocyte in the uterus of the egg. It leads to the formation of the zygote which later develops to form the embryo.

Answer 8

Expert Solution & Answer

Answer to Problem 1FIB

Correct answer:

A fertilized egg, also called a zygote, is a very large cell. One of the first events of animal development is the division of this cell, a process called cleavage, to produce a solid ball of much smaller cell, the morula. Soon a cavity opens in this ball of cells, producing a hollow ball called the blastula or blastocyst. Movements of cells in this hollow ball during gastrulation produce the three embryonic tissue layers, the ectoderm, mesoderm and endoderm.

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

Explanation of Solution

Zygote is formed after the egg is fertilized by the sperm. The division and cleavage of the zygote forms a morula. The continuous division of cells forms a hollow cavity of blastocyst. The process of gastrulation begins at the blastopore site. The cells migrate from the outer surface to the inside of the cell forming the blastula. The three layers of ectoderm, mesoderm and endoderm. The endodermis layer forms the digestive tract, hairs and skin cells are formed from the ectoderm layer, muscles, skeletal system and circulatory system are formed from the mesoderm layer of the cells.

Answer 12

Conclusion

The formation of embryo from the fertilized egg involves several steps like formation of zygote, morula, gastrula, blastula, and various layers of ectoderm, mesoderm and endoderm.

Answer 13

Ch. 42.1 - Prob. 1CYL Ch. 42.2 - Prob. 1CYL Ch. 42.3 - Prob. 1CYL Ch. 42.4 - Prob. 1Q Ch. 42.4 - Prob. 2Q Ch. 42.4 - Prob. 1CYL Ch. 42.5 - Prob. 1Q Ch. 42.5 - Prob. 2Q Ch. 42.5 - Prob. 1HYEW Ch. 42.5 - Prob. 1CYL

The fertilization process takes place when the sperm from the male fertilizes the female oocyte in the uterus of the egg. It leads to the formation of the zygote which later develops to form the embryo.

Introduction: The fertilization process takes place when the sperm from the male fertilizes the female oocyte in the uterus of the egg. It leads to the formation of the zygote which later develops to form the embryo.

Answer to Problem 1FIB

Explanation of Solution

Want to see more full solutions like this?

Chapter 42 Solutions

Introduction:

The fertilization process takes place when the sperm from the male fertilizes the female oocyte in the uterus of the egg. It leads to the formation of the zygote which later develops to form the embryo.