Genetics Basics: Pedigree, Sex-Linked Traits, and Meiosis
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Questions and Answers

What is the probability that a male will be born normal?

  • 75%
  • 25%
  • 100%
  • 50% (correct)

    • What is the purpose of a pedigree?

  • To determine the sex of an offspring
  • To identify the genetic makeup of an individual
  • To visually represent traits that appear in each generation of a family (correct)
  • To predict the likelihood of a trait being passed down

    • What is a characteristic of an autosomal recessive trait?

  • It affects males more than females
  • It appears more frequently in populations
  • Only heterozygous individuals are affected
  • Traits can skip generations (correct)

    • What is the probability that a female is a carrier of color blindness?

    <p>50%</p> Signup and view all the answers

    What is represented by a shaded circle in a pedigree?

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

    What is a characteristic of a sex-linked recessive trait?

    <p>It affects males more than females</p> Signup and view all the answers

    What is the result if an affected female has children?

    <p>All of her male children will be affected</p> Signup and view all the answers

    What is the purpose of meiosis?

    <p>To create gametes</p> Signup and view all the answers

    What determines the shading of a pedigree?

    <p>The presence of the trait being tracked</p> Signup and view all the answers

    What is an example of an autosomal trait?

    <p>Eye color</p> Signup and view all the answers

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