Twin Formation and Prenatal Development Quiz
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Questions and Answers

How are monozygotic twins formed?

  • Monochorionic (single placenta) and Diamniotic
  • Dichorionic and Diamniotic
  • Monochorionic and Monoamniotic
  • Dichorionic and Diamniotic (double amniotic sac) (correct)

    • What happens in the embryonic stage of prenatal development?

  • Development of the brain and spinal cord
  • Implantation of the embryo into the uterine wall
  • Formation of major organs and basic anatomy (correct)
  • Rapid cell division

    • What are teratogens?

  • Genetic factors that can cause harm in a fetus’ development
  • Nutritional deficiencies in the mother
  • Environmental factors that can harm a fetus (correct)
  • Hormonal imbalances in the mother

    • What are the risk factors for chromosomal abnormalities?

    <p>Young maternal age</p> Signup and view all the answers

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