Fertilization Process in Humans
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Fertilization Process in Humans

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Questions and Answers

What process involves sperm cells releasing enzymes to penetrate the thick surface of the egg?

  • Trapping by cilia
  • Hyperactivation (correct)
  • Racing to touch the egg's innermost layer
  • Absorption by the egg's outermost layer

    • Which type of twins results from the cleaving of one fertilized egg?

  • Triplets
  • Dizygotic twins
  • Monozygotic twins (correct)
  • Placental twins

    • How do Dizygotic twins differ from Monozygotic twins?

  • Dizygotic twins have a shared placenta, while Monozygotic twins have separate placentas. (correct)
  • Dizygotic twins result from the cleavage of one fertilized egg, while Monozygotic twins come from two separate eggs.
  • Dizygotic twins tend to skip generations, but Monozygotic twins do not.
  • Dizygotic twins are always genetically identical, while Monozygotic twins share only 50% of their genes.

    • What is the condition that exclusively affects monozygotic twins due to abnormal placental blood vessel formation?

    <p>Twin-to-Twin Transfusion Syndrome (TTTS)</p> Signup and view all the answers

    In multiple births, what characteristic distinguishes Dizygotic twins from Monozygotic twins?

    <p>Number of placentas</p> Signup and view all the answers

    What is the primary factor that determines whether twins are Dizygotic or Monozygotic?

    <p>Egg fertilization process</p> Signup and view all the answers

    Why can't we remember anything that happened to us when we were infants to toddlers?

    <p>The brain is not yet developed enough to store memories.</p> Signup and view all the answers

    What is the concept of infantile amnesia?

    <p>Inability to remember anything from infancy to toddlerhood.</p> Signup and view all the answers

    Why do developmentalists argue that infants experience infantile amnesia?

    <p>Infants undergo rapid changes during infancy.</p> Signup and view all the answers

    What type of memory involves information that we don't consciously try to remember?

    <p>Implicit memory</p> Signup and view all the answers

    According to Freud, why do adults struggle to remember early experiences?

    <p>Early experiences are often emotionally distressing.</p> Signup and view all the answers

    What distinguishes early procedural and perceptual knowledge from later explicit memories?

    <p>Language-based recall</p> Signup and view all the answers

    What do researchers assume when a baby looks longer at an unexpected event during an experiment?

    <p>The baby is surprised</p> Signup and view all the answers

    What do periods of rapid brain growth coincide with in infants?

    <p>Changes in cognitive behavior</p> Signup and view all the answers

    What does unconscious recall of habits and skills, like tying shoes or throwing a ball, represent according to the text?

    <p>Implicit Memory</p> Signup and view all the answers

    What is the main focus of Cognitive Neuroscience Approach in studying brain development?

    <p>Investigating internal mental processes</p> Signup and view all the answers

    At what age can infants as young as 5 months recognize changes in the number of objects?

    <p>5 months</p> Signup and view all the answers

    What is the purpose of changing an event to something unexpected during infant research experiments?

    <p>To observe if the baby displays surprise</p> Signup and view all the answers

    What is the term for the association between an individual's genetically influenced behavior and how others react to that behavior?

    <p>Reactive Correlation</p> Signup and view all the answers

    During prenatal development, what is the period between conception and birth known as?

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

    Which type of correlation is defined as the association between an individual's genetic tendencies and the environmental niches they select?

    <p>Active Correlation</p> Signup and view all the answers

    How do genes influence a person's exposure to particular environments according to Genotype-Environment Correlation?

    <p>By affecting the environments they encounter</p> Signup and view all the answers

    What does the term 'Niche-picking' refer to in the context of gene-environment interaction?

    <p>Choosing environments based on genotype compatibility</p> Signup and view all the answers

    Which type of correlation involves the association between the genotype a child inherits and the environment in which they are raised?

    <p>Passive Correlation</p> Signup and view all the answers

    Why do children under the age of 3 sometimes treat objects as if they were full size?

    <p>As a result of faulty communication between immature brain systems</p> Signup and view all the answers

    What is the Dual Representation Hypothesis as mentioned in the text?

    <p>It is difficult for children to mentally represent both the actual object and its symbolic nature simultaneously</p> Signup and view all the answers

    According to the Information-Processing Approach, how is the mind compared to?

    <p>A complex information-processing system like a computer</p> Signup and view all the answers

    What does the Information-Processing Approach focus on?

    <p>How individuals perceive, encode, store, and retrieve information from their environment</p> Signup and view all the answers

    What causes confusion for children according to the text?

    <p>Keeping more than one mental representation in mind at the same time</p> Signup and view all the answers

    Why do children sometimes have difficulty grasping spatial relationships according to the text?

    <p>As a result of needing to keep more than one mental representation in mind at the same time</p> Signup and view all the answers

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