Genetic Disorders and Detection Methods
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Questions and Answers

In a pedigree, what does a shaded circle or square represent?

  • A male without the trait
  • A female with the trait
  • An individual without the trait
  • An individual with the trait (correct)
  • Which syndrome is characterized by having only 45 chromosomes and missing a sex chromosome (X)?

  • Turner's syndrome (correct)
  • Down's syndrome
  • Hemophilia
  • Klinefelter's syndrome
  • What type of mutation is considered the most common and least drastic?

  • Gene or point mutation (correct)
  • Beneficial mutation
  • Chromosomal mutation
  • Harmful mutation
  • What does a partial shade in a pedigree indicate?

    <p>A carrier, heterozygous for the trait</p> Signup and view all the answers

    Which genetic condition leads to red blood cells that are sickle-shaped and cannot carry enough oxygen to body tissues?

    <p>Sickle cell anemia</p> Signup and view all the answers

    What is the genetic disorder characterized by mucous buildup in the lungs?

    <p>Cystic fibrosis</p> Signup and view all the answers

    Which mutation type affects an entire chromosome and many genes rather than just one?

    <p>Chromosomal mutation</p> Signup and view all the answers

    What does a circle represent in a pedigree?

    <p>A female with the trait</p> Signup and view all the answers

    What is the term for having 3 or more alleles of the same gene that code for a single trait?

    <p>Multiple alleles</p> Signup and view all the answers

    What does a square represent in a pedigree?

    <p>An individual with the trait</p> Signup and view all the answers

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