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Questions and Answers
During cleavage, what happens to the cytoplasmic volume?
During cleavage, what happens to the cytoplasmic volume?
- It increases gradually
- It remains constant
- It decreases rapidly
- It does not increase (correct)
How is the division of egg cytoplasm without increasing its volume accomplished?
How is the division of egg cytoplasm without increasing its volume accomplished?
- By reducing the rate of mitotic divisions
- By promoting cytoplasmic growth
- By increasing the G1 and G2 phases of the cell cycle
- By abolishing the growth period between cell divisions (correct)
What are the cleavage-stage cells called?
What are the cleavage-stage cells called?
- Stem cells
- Somatic cells
- Germ cells
- Blastomeres (correct)
What does the zygotic genome do in early-cleavage embryos?
What does the zygotic genome do in early-cleavage embryos?
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When do relatively few mRNAs start to be made during cleavage?
When do relatively few mRNAs start to be made during cleavage?
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