Genetic Disease Development
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Questions and Answers

What characterizes multifactorial diseases compared to single-gene disorders?

  • They result from a combination of multiple genetic and environmental factors. (correct)
  • They are exclusively linked to a single genetic mutation.
  • They are always caused by environmental factors alone.
  • They can only be inherited through dominant alleles.
  • Which of the following factors can contribute to the development of a multifactorial disease?

  • Only lifestyle choices that lead to healthy living.
  • Only the presence of a specific gene mutation.
  • A combination of genetic predisposition and environmental influences. (correct)
  • An absence of any genetic factors.
  • In the context of multifactorial diseases, what is a genetic factor?

  • A lifestyle choice that contributes to health.
  • An environmental toxin that causes mutations.
  • An unrelated health condition that has no genetic basis.
  • A predisposition to develop a disease based on inherited traits. (correct)
  • What is a common misconception about the causes of multifactorial diseases?

    <p>They are influenced only by genetic factors.</p> Signup and view all the answers

    Which of the following best describes the relationship between genetic and environmental factors in multifactorial diseases?

    <p>They can work together to influence disease manifestation.</p> Signup and view all the answers

    Study Notes

    Genetic Disease Development

    • Many genetic diseases aren't caused by a single gene, but by multiple factors working together.
    • Multifactorial diseases are influenced by both genetic and environmental factors.
    • A predisposition to the disease (genetic factor) and environmental factors combine to cause the disease.

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    Description

    This quiz explores the complexities of genetic diseases, emphasizing how they often arise from a combination of genetic and environmental factors. Understand the concept of multifactorial diseases and the interplay between predisposition and external influences.

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