Understanding DNA Mutations in Genetic Studies
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Questions and Answers

Which of the following best defines a mutation?

  • An acquired change in genetic information
  • An inherited change in genetic information (correct)
  • A temporary change in genetic information
  • A reversible change in genetic information
  • What is the primary role of mutations in genetic studies?

  • To create variations for natural selection (correct)
  • To ensure stability of genetic information
  • To maintain the accuracy of DNA replication
  • To cause suffering in organisms
  • In genetic studies, what do mutations help us understand about biological processes?

  • They help us understand the causes of suffering in organisms
  • They help us understand the diversity and adaptability of life (correct)
  • They help us understand the role of mutations in natural selection
  • They help us understand the stability of DNA replication
  • What is the main characteristic of DNA structure mentioned in the text?

    <p>High stability and replicated with accuracy</p> Signup and view all the answers

    What is the term for alterations of a single nucleotide?

    <p>Gene mutations</p> Signup and view all the answers

    What type of mutation arises in cells that ultimately produce gametes?

    <p>Germ-line mutation</p> Signup and view all the answers

    Which type of mutations alter the structure of chromosomes?

    <p>Chromosome rearrangements</p> Signup and view all the answers

    In which type of gene mutation is a purine replaced by a pyrimidine?

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

    What are insertions and deletions collectively called?

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

    Which type of mutation results in an altered number of chromosomes?

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

    What do we call the mutation type that affects a single gene?

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

    What is the term for adding one or more complete sets of chromosomes?

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

    Which type of mutation is characterized by the alteration of a single nucleotide?

    <p><strong>Base substitutions</strong></p> Signup and view all the answers

    In which type of mutation does a purine get replaced by a different purine or a pyrimidine get replaced by a different pyrimidine?

    <p>Base substitutions</p> Signup and view all the answers

    Which type of mutation can be passed to future generations affecting both somatic and germ-line cells?

    <p>Germ-line mutation</p> Signup and view all the answers

    What is the term for the removal or addition of nucleotide pairs collectively?

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

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