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Questions and Answers
What triggers a sequence of metabolic and morphologic changes resulting in the division of the zygote into a multicellular organism?
What is the first consequence of fertilization?
What is the second major event of fertilization?
What triggers the sequence of metabolic and morphologic changes in the zygote?
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What is the first step in the interaction of sperm and egg?
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Study Notes
Fertilization and Zygote Development
- Fertilization triggers a sequence of metabolic and morphologic changes resulting in the division of the zygote into a multicellular organism.
- The first consequence of fertilization is the activation of the zygote's metabolism, which leads to cell division.
- The second major event of fertilization is the fusion of the sperm and egg nuclei, resulting in the formation of a single diploid nucleus.
- The fusion of the sperm and egg triggers the sequence of metabolic and morphologic changes in the zygote.
- The first step in the interaction of sperm and egg is the recognition and binding of the sperm to the zona pellucida, a glycoprotein layer surrounding the egg.
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Description
Test your knowledge of fertilization and the activation of development with this quiz. Explore the process of sperm and egg uniting to form a zygote, and understand the consequences of fertilization on chromosome number and genome activation.
