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BIOL344 – Cell & Developmental Biology Quiz
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BIOL344 – Cell & Developmental Biology Quiz

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@PoignantNihonium

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Questions and Answers

During which process does the production of eggs or sperm occur?

  • Maturation (correct)
  • Cleavage
  • Gastrulation
  • Fertilization

    • What is the term for the hollow ball of blastomeres in embryonic development?

  • Blastula (correct)
  • Gastrulation
  • Gametogenesis
  • Organogenesis

    • Which process involves cell rearrangements that generate three germ layers including ectoderm, mesoderm, and endoderm?

  • Gastrulation (correct)
  • Gametogenesis
  • Maturation
  • Cleavage

    • What is the function of organogenesis in development?

    <p>Production of various body organs</p> Signup and view all the answers

    Which stage of frog development involves the rapid partitioning of the zygote cytoplasm into individual cells?

    <p>Blastula</p> Signup and view all the answers

    What is the main focus of Developmental Biology?

    <p>Studying the process of progressive change from fertilized egg to complex multicellular organism</p> Signup and view all the answers

    According to Aristotle, what were the two main theories regarding embryonic development?

    <p>Every structure in the embryo was preformed from the beginning and simply grew in size</p> Signup and view all the answers

    Who provided accurate descriptions of the chick embryo but could not detach from preformationist ideas?

    <p>Marcello Malpighi</p> Signup and view all the answers

    What did August Weissman propose about the nucleus in 1880?

    <p>The nucleus contains various special factors related to differentiation</p> Signup and view all the answers

    In embryonic development, what is the primary concern according to Aristotle's theory of preformation?

    <p>The embryo containing all structures preformed from the beginning</p> Signup and view all the answers

    What is the main purpose of gastrulation during embryonic development?

    <p>Cell rearrangements to generate three germ layers</p> Signup and view all the answers

    Which process in embryonic development involves the growth, metamorphosis, and sexual maturation of the organism?

    <p>Maturation</p> Signup and view all the answers

    What is the outcome of organogenesis in development?

    <p>Formation of various body organs</p> Signup and view all the answers

    What is the significance of cleavage in embryonic development?

    <p>Rapid cell divisions to partition zygote cytoplasm</p> Signup and view all the answers

    During which stage of frog development does the formation of a hollow ball of blastomeres occur?

    <p>Blastula</p> Signup and view all the answers

    What was the primary issue that Aristotle defined in embryonic development?

    <p>The debate between preformation and epigenesis theories</p> Signup and view all the answers

    Which scientist provided remarkably accurate descriptions of the chick embryo but could not detach from preformationist ideas?

    <p>Marcello Malpighi</p> Signup and view all the answers

    What concept did August Weissman propose regarding the nucleus in 1880?

    <p>The nucleus contained a number of special factors</p> Signup and view all the answers

    What did Aristotle suggest about the presence of a tiny human (homunculus) in the head of each human sperm?

    <p>It was already present from the very beginnings of development</p> Signup and view all the answers

    What was the core debate highlighted by Aristotle regarding embryonic development?

    <p>Preformation versus epigenesis theories</p> Signup and view all the answers

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