Grade 12 Biotechnology: Genetic Engineering

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Questions and Answers

What is the primary concern with gene therapy in terms of its duration?

  • It requires frequent injections
  • It is too expensive to be a viable treatment option
  • Its short-lived nature makes it difficult to achieve long-term benefits (correct)
  • Its permanence can lead to unintended consequences

What is a major challenge in using viral vectors for gene therapy?

  • They can only be used for gene augmentation
  • They can only be used for gene correction
  • They can be used to cure any genetic disorder
  • They can cause toxicity, immune, and inflammatory responses (correct)

What is an example of gene correction in gene therapy?

  • Reverting a specific mutation in a gene (correct)
  • Introducing a healthy gene to replace a faulty one
  • Introducing a killer gene to target specific cells
  • Deleting a faulty gene

What is the main reason why the FDA has not approved any human gene therapy product for sale?

<p>There are no gene therapy products that have been proven safe and effective (C)</p> Signup and view all the answers

What is a common characteristic of multigene disorders?

<p>They are caused by the combined effects of variations in many genes (D)</p> Signup and view all the answers

What is the goal of gene augmentation in gene therapy?

<p>To enhance the expression of a gene of interest (B)</p> Signup and view all the answers

What is a potential problem with repetitive rounds of gene therapy?

<p>It can lead to immune response, reducing its effectiveness (C)</p> Signup and view all the answers

What is gene ablation in the context of gene therapy?

<p>The targeted inhibition of gene expression (C)</p> Signup and view all the answers

Why are viral vectors used in gene therapy?

<p>Because they can be used to deliver genes to cells (A)</p> Signup and view all the answers

What is gene transplantation in the context of gene therapy?

<p>The introduction of a healthy gene to replace a faulty one in a patient with a gene deletion (A)</p> Signup and view all the answers

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