Pax6 Gene and Eye Development Quiz
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Questions and Answers

What is the consequence of mutations in the Pax6 gene?

  • Development of additional eye structures
  • Overproduction of retinal cells
  • Enhanced visual capabilities
  • Failure of eye development (correct)

    • What role does the Pax6 gene play in eye development across vertebrates?

  • It determines eye color.
  • It initiates eye development. (correct)
  • It functions solely in the human species.
  • It regulates the size of the eye.

    • What effect does the expression of the human Pax6 gene have in fruit flies?

  • It enhances the color patterns on their bodies.
  • It causes the flies to develop wings.
  • It results in the loss of eye function.
  • It induces the development of multiple small eyes. (correct)

    • Which of the following statements about the Pax6 gene is true?

    <p>It shows molecular similarities across various life forms. (D)</p> Signup and view all the answers

    The presence of a complex grid/patterned structure in the fruit fly eye suggests what about its development?

    <p>It may be influenced by the Pax6 gene. (D)</p> Signup and view all the answers

    Flashcards

    Pax6 gene

    A gene that plays a crucial role in eye development across different species, including humans and fruit flies.

    Mutations

    Changes in the genetic code of a gene, like the Pax6 gene.

    Gene expression

    The process of genes being 'turned on' or 'turned off' in specific cells at specific times.

    Molecular similarities

    The phenomenon of similar genes (like Pax6) being found in different species, suggesting a shared evolutionary history.

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    Cross-species functionality

    The ability of a gene from one organism to function in another organism, highlighting its conserved role.

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