NEET Biology question

Which of the following statements regarding gene therapy is/are correct?

(A)It is an application of biotechnology, in which a defective gene is manipulated by introduction of a normal, healthy and functional gene.
(B)The genetic disorders that are being investigated for gene therapy range from stickle-cell anaemia to severe combined immune-deficiency (SCID).
(C)The first clinical gene therapy was given in 1990 to a 4-year old girl with adenosine deaminase (ADA) deficiency.
(D)All of theseCorrect

Answer: (D)

Solution

All three statements correctly describe gene therapy — its definition as correction via a normal gene, the

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Question ID VK-125781