What is the importance of double fertilization?

Human Fertilization..need your help?

  • 1. Describe the changes in the ovum during fertilization. 2. Why can a second sperm not penetrate an already fertilized ovum? 3. Why must fertilization occur in the Fallopian tube before the ovum moves into the uterus? 4. Explain the relationship between fertilization and the occurance of menstruation? 5. When does complete fertilization take place? 6. Describe the process of ovulation. 7. What is ectopic pregnancy? How can it be harmful? please state your opinion on the questions above.tnx in advanced and godbless... (",)

  • Answer:

    Do your own homework.

Alvin A at Yahoo! Answers Visit the source

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