GEN3001 Introduction to Development Quiz
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Questions and Answers

Which biological systems tend to maintain relatively constant conditions in the internal environment?

  • Systems responding differently to stressors
  • Systems amplifying signals
  • Systems initiating negative feedback loops (correct)
  • Systems undergoing metamorphosis
  • What type of feedback loops activate to maintain homeostasis when a change in the environment is detected?

  • Reactive feedback loops
  • Neutral feedback loops
  • Negative feedback loops (correct)
  • Positive feedback loops
  • What is the fundamental stage of development that involves the 'mixing' of maternal and paternal DNA?

  • Fertilization (correct)
  • Metamorphosis
  • Cleavage
  • Gastrulation
  • Which stage of development involves the formation of the 'zygote'?

    <p>Cleavage of zygote</p> Signup and view all the answers

    What is the process where cells respond differently to morphogen levels, determining their fate in the organism's body plan?

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

    Which stage of development involves the dramatic change from one form to another?

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

    During which period does gradual decline in physiological function occur?

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

    'Formation of germ layers' is associated with which stage of development?

    <p>'Gastrulation'</p> Signup and view all the answers

    'Amplification of signals' is a characteristic of which type of feedback loop?

    <p>'Positive feedback loops'</p> Signup and view all the answers

    What is the term used to describe the structure that will form most of the placenta and is essential for correct implantation into the uterus?

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

    Which layer, initially part of the bilaminar embryonic disc, eventually gets replaced by the endoderm during embryonic development?

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

    What is the function of the inner cell mass in human embryogenesis?

    <p>Nutrient provision to trophoblast</p> Signup and view all the answers

    Which of the following will eventually form the ectoderm during human embryogenesis?

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

    What is the term used to describe the period when an organism is capable of reproduction, allowing for embryogenesis to occur?

    <p>Fertile stage</p> Signup and view all the answers

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