Genetic engineering

DNA 

Cut out the thing you what to remove from the gene 

and the plasam by the restricition enzymes 

cut them out and stick them togethere by the complentary  sticky ends 

Stick them everything back togethere 

like the genes to the plasam from the ligase 

whenput back to togetrhere you need to place it back into the bacteria cell 

allowing it to reproduce and reproduce