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The genetic defect — adenosine deaminase () deficiency may be cured permanently by:

  1. A
    administering adenosine deaminase activators.
  2. B
    introducing bone marrow cells producing into cells at early embryonic stages.
  3. C
    enzyme replacement therapy.
  4. D
    periodic infusion of genetically engineered lymphocytes having functional .

Solution & Step-by-step Explanation

While periodic infusion of lymphocytes is a treatment, it is not permanent. A permanent cure involves introducing the functional gene into bone marrow cells at early embryonic stages, allowing for a continuous production of the enzyme throughout life.

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The genetic defect — adenosine deaminase () deficiency may be cured permanently by:
A
administering adenosine deaminase activators.
B
introducing bone marrow cells producing into cells at early embryonic stages.
C
enzyme replacement therapy.
D
periodic infusion of genetically engineered lymphocytes having functional .

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