Reply to Production - How Do They Get That Sound!? (dubstep)

so some of you may know i've been getting into production recently, and the love of my life is dubstep. i've wanted to produce in this genre since i feel that kind of music flows through me, but i've hesitated because of a key issue: i can't get the right sound. i feel like there's a big secret about how to get that wobbly bass sound that's typical of a lot of dubstep music. is there a certain synth sound that is huge in dubstep production? or is all done through ground-up creation and modification of basic basslines? anyone that could point me in the right direction would be greatly appreciated.