Methods of producing microbe and pest resistant plants include
$RNAi$
Use of Bt toxiny
Gene therapy
Both $(a) \;\& \;(b)$
Utility of fungi for steroid conversion was demonstrated by
$A$ : Production of hirudin from transgenic Brassica required use of synthetic gene.
$R $ : Eukaryotic genes have intron sequences that need to be spliced out.
Which of the following radioisotope is not suitable for $DNA$ labeling based studies?
Cheeses are usually classified on the basis of