Genetic engineering is possible, because
The phenomenon of transduction in bacteria is well understood
We can see $DNA$ by electron microscope
We can cut $DNA$ at specific sites by endonucleases like $DNAase-I$
Restriction endonucleases purified from bacteria can be used in vitro.
Vavilov's centres of origin of crop plants are located in
Cocoa is the plant from which chocolate is made. Which part is used to extract it?
Fertilized egg develops into larva and when it is given more food in comparison to others, it develops into
Varieties developed by pureline method are