X-Linked Genetic Disorders Quiz
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Questions and Answers

What determines biological sex in humans and other mammals?

  • Presence of XX chromosomes in males and XY chromosomes in females
  • Presence of XY chromosomes in both males and females
  • Presence of YY chromosomes in males and XX chromosomes in females
  • Presence of XY chromosomes in males and XX chromosomes in females (correct)

    • Why are X-linked human genetic disorders more common in males than in females?

  • Due to the presence of extra X chromosomes in females
  • Due to the Y-linked inheritance pattern
  • Due to the presence of extra X chromosomes in males
  • Due to the X-linked inheritance pattern (correct)

    • In what way do X-linked genes have distinctive inheritance patterns?

  • They are only present in males
  • They are only present in females
  • They are present in the same numbers in females and males
  • They are present in different numbers in females and males (correct)

    • What is heredity also known as?

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

    What is the complete set of genes within an organism's genome called?

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

    What is an example of an inherited characteristic in humans?

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

    What causes species to evolve according to the text?

    <p>Natural selection</p> Signup and view all the answers

    What determines the observable traits of an organism's structure and behavior?

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

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