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STD 12 - 10. biotechnology and its application — BIOLOGY STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceBIOLOGYSTD 12 - 10. biotechnology and its application1 Mark
MCQ
The genetic defect-adenosine deaminase $(ADA)$ deficiency may be cured permanently by
  • A
    administering adenosine deaminase activators
  • ✓
    introducing bone marrow cells producing $ADA$ into cells at early embryonic stages
  • C
    enzyme replacement therapy
  • D
    periodic infusion of genetically engineered lymphocytes having functional $ADA$ $cDNA.$
✓

Answer

Correct option: B.
introducing bone marrow cells producing $ADA$ into cells at early embryonic stages
b
(b) : $ADA$ deficiency can be permanently cured if the isolated gene from bone marrow cells producing $ADA$ is introduced into cells at earlyembryonic stages.

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