- AC. Darwin
- BStanley Cohen
- CHerbert Boyer
- ✓Both $ (b) $ and $ (c)$
(d) Cohen and Boyer ($1973$) were the first to produce recombinant $DNA$ by introducing a foregin gene into plasmid of E.coli.
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$1.$ primary treatment of sewage
$2.$ secondary treatment of sewage
$3.$ anaerobic sludge digester
$4.$ production of bioactive molecules
$A$. Myasthenia gravis $B$. Rheumatoid arthritis
$C$. Gout $D$. Muscular dystrophy
$E$. Systemic Lupus Erythematosus ($SLE$)
Choose the most appropriate answer from the options given below:

$I$. Lymphocytes are obtained from the patients
$II$. Lymphocytes are transferred to the culture dishes
$III$. Lymphocytes are transfected with the normal $ADA$ genes
$IV$. The transfected cell are returned to the patients
The chronological order should be