Mutation and Adaptation Quiz
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Questions and Answers

What is an example of an adaptation resulting from a mutation?

  • The ability to breathe underwater
  • The ability to see through walls
  • The ability to fly without wings
  • The ability to digest lactose (correct)
  • Which of the following is an example of a beneficial mutation resulting in a more adaptive phenotype?

  • The ASGR1 gene mutation (correct)
  • Mutations in the PCSK9 gene
  • Mutations resulting in lactose intolerance
  • The CCR5-∆32 mutation
  • Which of the following statements about CCR5-∆32 mutation is true?

  • It plays no role in the body's inflammatory responses to infections
  • It results in a protein that can be detected on the cell surface
  • It is more common in African populations
  • People with two alleles for CCR5-∆32 are highly resistant to HIV-1 infections (correct)
  • What happens to less adaptive phenotypes resulting from mutations?

    <p>They are selected against by natural selection</p> Signup and view all the answers

    What is the benefit of the ASGR1 gene mutation?

    <p>Lower levels of cholesterol</p> Signup and view all the answers

    What is the PCSK9 gene mutation being studied for?

    <p>The development of cholesterol-lowering medications</p> Signup and view all the answers

    What is the CCR5-∆32 mutation?

    <p>A mutation resulting in a protein that cannot be detected on the cell surface</p> Signup and view all the answers

    What is the role of CCR5 in the body?

    <p>It plays a role in the body's inflammatory responses to infections</p> Signup and view all the answers

    Which population has a greater distribution of the CCR5-∆32 mutation?

    <p>European populations</p> Signup and view all the answers

    Study Notes

    • Mutations can result in less or more adaptive phenotypes.
    • Less adaptive phenotypes are selected against by natural selection.
    • The ability to digest lactose is an example of an adaptation resulting from a mutation.
    • Some mutations, like the ASGR1 gene mutation, can result in more beneficial selection.
    • People with the mutated ASGR1 gene have lower levels of cholesterol and a lower chance of developing arteriosclerosis.
    • Mutations in the PCSK9 gene are also being studied for the development of cholesterol-lowering medications.
    • The CCR5-∆32 mutation results in a protein that cannot be detected on the cell surface.
    • People with two alleles for CCR5-∆32 are highly resistant to HIV-1 infections.
    • The distribution of CCR5-∆32 is greater in European populations, possibly due to selection from other illnesses.
    • CCR5 plays a role in the body's inflammatory responses to infections and is involved in the infection process of HIV-1.

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    Description

    "Test your knowledge of mutations and their impact on human evolution with this quiz! Learn about the different types of mutations that can result in both adaptive and non-adaptive phenotypes, and how natural selection plays a role in determining which traits are passed on. Discover fascinating examples of mutations such as the ASGR1 and PCSK9 gene mutations that have potential health benefits, and the CCR5-∆32 mutation that provides resistance to HIV-1. Brush up on your understanding of genetics and

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