SCID is caused by defective gene coding for enzyme ______________.
A
Adenosine deaminase
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B
Adenosine transaminase
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C
Adenosine transferase
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D
Guanosine transaminaseGuanosine deaminase
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Solution
The correct option is A Adenosine deaminase Adenosine deaminase deficiency SCID, commonly called ADA SCID, is a very rare genetic disorder. It is caused by a mutation in the gene that encodes a protein called adenosine deaminase (ADA).