Welcome to the NCERT Solutions for Class 12 Biology - Chapter Biotechnology and its Application. This page offers a step-by-step solution to the specific question from Exercise 0, Question 7: . With detailed answers and explanations for each chapter, students can strengthen their understanding and prepare confidently for exams. Ideal for CBSE and other board students, this resource will simplify your study experience.
Who was the first patient who was given gene therapy? Why was the given treatment recurrent in nature?
The potential use of this therapy is to cure genetic diseases. The first case of the gene therapy occurred in 1990, at the Bethesda, Maryland. On that occasion, a four year patient with a severe combined immuno- deficiency or due to adenosine deaminase enzyme deficiency, received an infusion of white blood cells that had been genetically modified to contain the gene that was non- functional in his genome. Then, to cure gene therapy has been studied and experimentally tested for several medical conditions. The treatment is recurrent because these ADA cDNA are not immortal. Thus it is required to be repeated for making the new cells for the cure of this deficiency.
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