Have You Messed It All Wrong Or What?

Sorry for the title of the thread, I just wanted to draw attention to get my questions answered. The real title of the thread would be "One slit diffraction and spectrums". However, the question-title of the thread is not wrong.

Consider one slit white light diffraction which produces rainbow tossil-black tossil-white tossil-black tossil-rainbow tossil. That is, continuous spectrum (or...two continuous spectrums). My question is, instead of white light, project monochromatic red light. What happens then leaving all other things unchanged?
1) Two thick red tossils, as thick and exactly where it was the thick red area of each previous rainbow. And perhaps also one thick red tossil in the middle.
2) One thick red tossil in the middle, and many more thick or thin red tossils around it. But no obvious connection whatsoever with how thick and where it was the thick red area of each previous rainbow.
3) Or what else?

Single slit with monochromatic light : use this interactive, change the aperature of the slit to see how the diff. pattern changes.

http://micro.magnet.fsu.edu/primer/java/di...tion/index.html

Bob.