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Grade 12 Biotechnology: Genetic Engineering

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Grade 12 Biotechnology: Genetic Engineering

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Questions and Answers

What is the primary concern regarding the use of viral vectors in gene therapy?

The vectors may recover disease-causing ability (correct)

The vectors may not be able to transfect all cells in the body

The vectors may only be able to transfect cells in vitro

The vectors may not be able to express the gene of interest

What is the main reason why repetitive rounds of gene therapy are often ineffective?

The gene of interest is not compatible with the host genome

The gene therapy is not specific to the target cells

The immune response reduces gene therapy effectiveness (correct)

The gene therapy is not able to achieve long-term benefits

What type of gene therapy involves introducing a healthy copy of a gene to replace a deleted or mutated gene?

Gene augmentation

Gene ablation

Gene correction

Gene transplantation (correct)

What is a major challenge in developing gene therapy for multi-gene disorders?

The complexity of the genetic causes of the disorder Signup and view all the answers

What is the current status of human gene therapy products according to the FDA?

No products have been approved for sale Signup and view all the answers

What is the goal of gene ablation in gene therapy?

To inhibit the expression of a gene Signup and view all the answers

What is a common issue with gene therapy in achieving long-term benefits?

Short-lived nature of the gene therapy Signup and view all the answers

What is the purpose of gene correction in gene therapy?

To correct a specific mutation in a gene Signup and view all the answers

What is a major concern with gene therapy in treating multi-gene disorders?

The complexity of the genetic causes of the disorder Signup and view all the answers

What is the purpose of gene augmentation in gene therapy?

To enhance the expression of a gene Signup and view all the answers