... genes that were switched on in the parent to generate the defensive response are also switched on in the offspring.
(genes; were switched on; L:in the parent; to generate the defensive response) (genes that were switched on in the parent; to generate; the defensive response) (genes that were switched on in the parent; are switched on; L:in the offspring)
genes genes that were switched on in the parent genes that were switched on in the parent
were switched on to generate are switched on
L:in the parent to generate the defensive response
the defensive response
L:in the offspring