The site of production of ADA in the body is

Options

A. bone marrow
B. lymphocytes
C. blood plasma
D. monocytes

Answer

B

Explanation

The first clinical gene therapy was given in 1990 to a 4-year old girl with adenosine deaminase (ADA) deficiency. This enzyme is crucial for the immune system to function. The disorder is caused due to the deletion of the gene for adenosine deaminase. In some children ADA deficiency can be cured by bone marrow transplantation.