CBSE 2024 · Region 2 · Set 3 · Q24 · 3 marks
The first clinical gene therapy was given in $\displaystyle 1990$ to a $\displaystyle 4$-year-old girl with ADA deficiency.(a)Mention the cause of this disorder.(b)List the possible treatments available for this disorder.(c)How can this disorder be cured permanently ?
The first clinical gene therapy was given in $\displaystyle 1990$ to a $\displaystyle 4$-year-old girl with ADA deficiency.
(a)
Mention the cause of this disorder.
(b)
List the possible treatments available for this disorder.
(c)
How can this disorder be cured permanently ?
Marking-scheme solution
(a)
Disorder is caused due to the deletion of gene coding for adenosine deaminase.
(b)
Bone marrow transplantation, enzyme replacement therapy, gene therapy
(c)
The gene isolated from bone marrow cells producing ADA, if introduced into cells at early embryonic stage could be a permanent cure.
Biotechnology and its ApplicationsBiotechnological Applications in MedicineUnderstandshort_answermedium
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CBSE Class 12 Biology past-paper question from the 2024board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.