The first clinical gene therapy was given for treating (Mains 2012)

(A)diabetes mellitus
(B)chicken pox
(C)rheumatoid arthritis
(D)adenosine deaminase deficiency

The NCERT line that answers it

Verbatim line

The first clinical gene therapy was given in 1990 to a 4-year old girl with adenosine deaminase (ADA) deficiency.

Chapter: Biotechnology and its Applications
Section: 10.2.2 Gene Therapy
Page: 5
Words matched: 19 of 19

The answer appears as a continuous sentence in NCERT. This is that sentence.

How this line gives the answer

0, emb=1.0, combined=1.0). Verified: high — The span explicitly states 'The first clinical gene therapy was given in 1990 to a 4-year old girl with adenosine deaminase (ADA) deficiency,' which directly and conclusively identifies adenosine deaminase deficiency as the condition treated in the first clinical gene therapy.

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