View this time-lapse movie (http://openstaxcollege.org/l/conceptus) of a conceptus starting at day 3. What is the first structure you see? At what point in the movie does the blastocoel first appear? What event occurs at the end of the movie?

Question

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Answer 1

Textbook Question

Chapter 28, Problem 1ILQ

View this time-lapse movie (http://openstaxcollege.org/l/conceptus) of a conceptus starting at day 3. What is the first structure you see? At what point in the movie does the blastocoel first appear? What event occurs at the end of the movie?

Expert Solution & Answer

Summary Introduction

To analyze:

The structures seen in the movie on time lapse of conceptus starting at day 3.

Introduction:

Upon conception, there are a series of events that follow one after the other from a unicellular zygote to multicellular embryo.

Explanation of Solution

In the video on the time-lapse of conceptus starting at day 3, the first structure seen is the morula. The morula is a ball of cells that resembles a berry. It is formed from repeated division of zygote to first form two blastomeres followed by more divisions to generate this ball of cells called morula.

The blastocoel first appears at a time elapse of 22 seconds of the video. At this point it is attached to the zona pellucida. At the end of the video the blastocoel 'hatches' from the matrix, that surrounds it. It can now head its way to implant into the walls of the uterus.

Conclusion

The morula divides to form the blastocoel that hatches out of the zona pellucida to implant into the uterus.

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Answer 2

Textbook Question

Chapter 28, Problem 1ILQ

View this time-lapse movie (http://openstaxcollege.org/l/conceptus) of a conceptus starting at day 3. What is the first structure you see? At what point in the movie does the blastocoel first appear? What event occurs at the end of the movie?

Expert Solution & Answer

Summary Introduction

To analyze:

The structures seen in the movie on time lapse of conceptus starting at day 3.

Introduction:

Upon conception, there are a series of events that follow one after the other from a unicellular zygote to multicellular embryo.

Explanation of Solution

In the video on the time-lapse of conceptus starting at day 3, the first structure seen is the morula. The morula is a ball of cells that resembles a berry. It is formed from repeated division of zygote to first form two blastomeres followed by more divisions to generate this ball of cells called morula.

The blastocoel first appears at a time elapse of 22 seconds of the video. At this point it is attached to the zona pellucida. At the end of the video the blastocoel 'hatches' from the matrix, that surrounds it. It can now head its way to implant into the walls of the uterus.

Conclusion

The morula divides to form the blastocoel that hatches out of the zona pellucida to implant into the uterus.

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Answer 3

Textbook Question

Chapter 28, Problem 1ILQ

View this time-lapse movie (http://openstaxcollege.org/l/conceptus) of a conceptus starting at day 3. What is the first structure you see? At what point in the movie does the blastocoel first appear? What event occurs at the end of the movie?

Expert Solution & Answer

Summary Introduction

To analyze:

The structures seen in the movie on time lapse of conceptus starting at day 3.

Introduction:

Upon conception, there are a series of events that follow one after the other from a unicellular zygote to multicellular embryo.

Explanation of Solution

In the video on the time-lapse of conceptus starting at day 3, the first structure seen is the morula. The morula is a ball of cells that resembles a berry. It is formed from repeated division of zygote to first form two blastomeres followed by more divisions to generate this ball of cells called morula.

The blastocoel first appears at a time elapse of 22 seconds of the video. At this point it is attached to the zona pellucida. At the end of the video the blastocoel 'hatches' from the matrix, that surrounds it. It can now head its way to implant into the walls of the uterus.

Conclusion

The morula divides to form the blastocoel that hatches out of the zona pellucida to implant into the uterus.

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 4

Textbook Question

Chapter 28, Problem 1ILQ

View this time-lapse movie (http://openstaxcollege.org/l/conceptus) of a conceptus starting at day 3. What is the first structure you see? At what point in the movie does the blastocoel first appear? What event occurs at the end of the movie?

Expert Solution & Answer

Summary Introduction

To analyze:

The structures seen in the movie on time lapse of conceptus starting at day 3.

Introduction:

Upon conception, there are a series of events that follow one after the other from a unicellular zygote to multicellular embryo.

Explanation of Solution

In the video on the time-lapse of conceptus starting at day 3, the first structure seen is the morula. The morula is a ball of cells that resembles a berry. It is formed from repeated division of zygote to first form two blastomeres followed by more divisions to generate this ball of cells called morula.

The blastocoel first appears at a time elapse of 22 seconds of the video. At this point it is attached to the zona pellucida. At the end of the video the blastocoel 'hatches' from the matrix, that surrounds it. It can now head its way to implant into the walls of the uterus.

Conclusion

The morula divides to form the blastocoel that hatches out of the zona pellucida to implant into the uterus.

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Answer 5

Textbook Question

Answer 6

Textbook Question

Answer 7

Expert Solution & Answer

Summary Introduction

To analyze:

The structures seen in the movie on time lapse of conceptus starting at day 3.

Introduction:

Upon conception, there are a series of events that follow one after the other from a unicellular zygote to multicellular embryo.

Explanation of Solution

In the video on the time-lapse of conceptus starting at day 3, the first structure seen is the morula. The morula is a ball of cells that resembles a berry. It is formed from repeated division of zygote to first form two blastomeres followed by more divisions to generate this ball of cells called morula.

The blastocoel first appears at a time elapse of 22 seconds of the video. At this point it is attached to the zona pellucida. At the end of the video the blastocoel 'hatches' from the matrix, that surrounds it. It can now head its way to implant into the walls of the uterus.

Conclusion

The morula divides to form the blastocoel that hatches out of the zona pellucida to implant into the uterus.

Answer 8

Expert Solution & Answer

Summary Introduction

To analyze:

The structures seen in the movie on time lapse of conceptus starting at day 3.

Introduction:

Upon conception, there are a series of events that follow one after the other from a unicellular zygote to multicellular embryo.

Explanation of Solution

In the video on the time-lapse of conceptus starting at day 3, the first structure seen is the morula. The morula is a ball of cells that resembles a berry. It is formed from repeated division of zygote to first form two blastomeres followed by more divisions to generate this ball of cells called morula.

The blastocoel first appears at a time elapse of 22 seconds of the video. At this point it is attached to the zona pellucida. At the end of the video the blastocoel 'hatches' from the matrix, that surrounds it. It can now head its way to implant into the walls of the uterus.

Conclusion

The morula divides to form the blastocoel that hatches out of the zona pellucida to implant into the uterus.

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

Summary Introduction

To analyze:

The structures seen in the movie on time lapse of conceptus starting at day 3.

Introduction:

Upon conception, there are a series of events that follow one after the other from a unicellular zygote to multicellular embryo.

Answer 12

Explanation of Solution

In the video on the time-lapse of conceptus starting at day 3, the first structure seen is the morula. The morula is a ball of cells that resembles a berry. It is formed from repeated division of zygote to first form two blastomeres followed by more divisions to generate this ball of cells called morula.

The blastocoel first appears at a time elapse of 22 seconds of the video. At this point it is attached to the zona pellucida. At the end of the video the blastocoel 'hatches' from the matrix, that surrounds it. It can now head its way to implant into the walls of the uterus.