Early Developmental Processes in Developmental Biology
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Questions and Answers

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?

  • 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?

  • Stem cells
  • Somatic cells
  • Germ cells
  • Blastomeres (correct)

    • What does the zygotic genome do in early-cleavage embryos?

    <p>It does not function</p> Signup and view all the answers

    When do relatively few mRNAs start to be made during cleavage?

    <p>Relatively late in cleavage</p> Signup and view all the answers

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