The first instance of gene therapy recorded was in relation to which disease?

  • Insulin Deficiency
  • Adenosine Deaminase Deficiency
  • Asthma
  • Lung Cancer

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The correct option is B: Adenosine Deaminase Deficiency

The first successful clinical gene therapy was administered in 1990 to a 4-year-old girl suffering from adenosine deaminase (ADA) deficiency. This enzyme is essential for the proper functioning of the immune system.

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