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Question

In the first step of gene therapy, ________ from the blood of the patient are grown in a culture outside of the body.

A
red blood cells
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B
lymphocytes
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C
neurons
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D
platelets
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Solution

The correct option is B lymphocytes
Gene therapy is most successful for all cases of ADA deficiency. ADA deficiency affected individuals are more prone to infections as their body doesn't produce enough lymphocytes. In the gene therapy method lymphocytes of infected individuals are isolated and functional ADA cDNA (using a retroviral vector) is then introduced into these lymphocytes, which is subsequently returned to the patients.

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