vWhat do ‘cry’ genes in Bacillus thuringiensis code for ? State its
importance for cotton crop.
Inactivated toxinActivated toxin (gut of insect)
Activated toxin binds to the epithelial cells in the midgut of insect and creates pores that cause lyses and swelling and eventually death of insect.
Cry genes are introduced into the cotton plants to produce Bt cotton, which is an insect resistant variety of cotton.