Gene Editing Quiz: Latest Medical Advances
Published Jun 30, 2026 · Updated Jul 16, 2026 · Editorial Team
Test your knowledge about recent breakthroughs in gene editing technology and how they are being used to treat diseases.
❓ 10 Questions
⏱️ 5 Minutes
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Question 1 of 100 correct
⏱️ 05:00
QUESTION 1
What is the most commonly used gene-editing tool today?
All Questions in This Quiz
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What is the most commonly used gene-editing tool today?
- A. CRISPR-Cas9
- B. TALEN
- C. Zinc finger nucleases
- D. Meganuclease
Which disease was first treated successfully using in vivo CRISPR editing in humans?
- A. Sickle cell disease
- B. Leber congenital amaurosis
- C. Duchenne muscular dystrophy
- D. HIV
What does "base editing" allow scientists to do?
- A. Insert large DNA fragments
- B. Change a single nucleotide without cutting DNA
- C. Delete entire chromosomes
- D. Activate gene expression without altering sequence
Which of the following is a potential off‑target risk of CRISPR‑Cas9?
- A. Increased protein synthesis
- B. Unintended mutations at similar DNA sequences
- C. Enhanced immune response
- D. Faster cell division
In 2023, the FDA approved the first CRISPR‑based therapy for which condition?
- A. Sickle cell disease
- B. Beta‑thalassemia
- C. Cancer immunotherapy
- D. Cystic fibrosis
Which delivery method uses a harmless virus to carry CRISPR components into cells?
- A. Lipid nanoparticles
- B. Electroporation
- C. Adeno-associated virus (AAV)
- D. Gold nanoparticles
What is the main advantage of prime editing over classic CRISPR‑Cas9?
- A. It works only in bacteria
- B. It can make precise insertions, deletions, and base changes without double-strand breaks
- C. It is cheaper
- D. It requires no guide RNA
Which ethical concern is most often discussed regarding germline gene editing?
- A. Risk of antibiotic resistance
- B. Potential for creating designer babies
- C. Increased crop yields
- D. Faster virus replication
In cancer immunotherapy, CRISPR is used to edit T cells to better target tumors. What is this approach called?
- A. CAR-T therapy
- B. TCR therapy
- C. TIL therapy
- D. NK cell therapy
Which of the following is NOT a current medical application of gene editing?
- A. Treating genetic blood disorders
- B. Editing embryos for disease prevention (clinical)
- C. Engineering bacteria to produce insulin
- D. Modifying mosquitoes to reduce malaria transmission
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