NEVER flower a plant and put it back into veg! it streses the plant out BAD. thats a great way to get a female to turn hermafridite on you...also.. its realy not recomended to clone a clone..you want your mother to be from seed.. now that ive combated the bad advice given befor mine ill answer your question.....first keep veging the plant till its a lil stronger when you take citting you want to be able to leave about half of the plant in tact or more... as soon as you have cloned and the clones have taken up good roots youll want to flower the clones as soon as you can to figure out the sex of the plant. this is time consuming but growing is a game of pacients you just cant rush nature. hope you come out with some lovly ladys.
We may have forgot to mention the plant being large enough to safely take a clone, which should be pretty much a given, but other than that, the advice given is sound and tested. Never flower and after sexing go back into veg?? Never clone from a clone??? Seriously. More actual knowledge or even a tiny bit of research would of told you, you are wrong on both counts. If the plant in question has unstable genetics, then the possibility goes up on the stress. As for the cloning. It would take many "generations" of clones for any effects to be noticeable.
Edit
The bigges factor with cloning from a clone, is it carries the original plants age. Nothing at all is changed from the original plant.