What is the full form of $GEAC$?

In which plants have scientists introduced the $Cry$ gene?

What happens when the $Cry$ gene is introduced into cotton?

What does $Bacillus$ $thuringiensis$ produce that is responsible for the death of certain insects?

Transgenic plants are the ones

$A$ - $A$ crop expressing a $cry$ gene is usually resistant to a group of insects.
$R$ - $Cry$ proteins produced from $Bacillus$ $thuringiensis$ are toxic to the larvae of certain insects.