What do you think will happen once the egg is fertilized

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Reference no: EM133472180

Questions:

1. What do you think will happen once the egg is fertilized?

2. Describe the swimming patterns of the sperm and estimate by eye the percentage of sperm that are motile.

3. Describe what happens once a sperm fertilizes the egg.

4. Why is there such a difference in the size of the egg and the sperm?

5. Does fertilization happen instantaneously? Support your answer.

6. What would happen if 2 sperm cells entered the egg at the same time?

7. What risks are present with the process of external fertilization?

8. What are the adaptive advantages of external fertilization? What are the adaptive advantages of internal fertilization?

9. Why is the development of the fertilization membrane important?

10. Is there a difference in size in any of cell cleavage stages? Describe why the cells are the size that you see.

11. How does the morula compare to the eight-cell stage?

12. How does its size of the morula compare with that of the fertilized egg?

Reference no: EM133472180

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