he ▁is ▁the ▁primary ▁mechanism ▁underlying ▁re product ive ▁cell ▁death ▁in ▁cancer ▁cells ▁treated ▁with ▁ion izing ▁radiation . ▁ ▁Not ▁all ▁cells ▁die ▁immediately ▁following ▁ab normal ▁mit osis ▁caused ▁by ▁mit otic ▁cat ast rop he , ▁but ▁many ▁do . ▁C ells ▁that ▁do ▁not ▁immediately ▁die ▁are ▁likely ▁to ▁create ▁an e up lo id ▁cells ▁following ▁subsequent ▁attempts ▁at ▁cell ▁division ▁pos ing ▁a ▁risk ▁of ▁on c ogen esis ▁( i . e . ▁potentially ▁leading ▁to ▁cancer ). ▁A ▁very ▁small ▁fraction ▁of ▁these ▁an e up lo id ▁cells ▁produced ▁by ▁mit otic ▁cat ast rop he ▁might ▁later ▁reduce ▁DNA ▁p lo id y ▁by ▁re duct ive ▁division ▁involving ▁me i otic ▁cell ▁division ▁path ways . ▁ ▁External ▁links ▁▁ ▁Category : Cell ▁cycle ▁Category : M itos is ▁Category : Can cer <0x0A> </s> ▁Car in ne ▁Led uc ▁is ▁a ▁Canadian ▁film ▁director , ▁screen writer ▁and ▁actress . ▁ ▁She ▁has ▁won ▁the ▁Bor so ▁Award ▁at ▁the ▁Wh ist ler ▁Film ▁Festival ▁for ▁Best ▁Act ress , ▁Best ▁Act ress ▁at ▁the ▁Sal ento ▁International ▁Film ▁Festival ▁and ▁was ▁nominated ▁at ▁the ▁Gen ie ▁Awards ▁for ▁" Best ▁Act ress ▁in ▁a ▁Le ading ▁Ro le " ▁for ▁her ▁role ▁in ▁ 3 ▁S ais ons . ▁ ▁In ▁addition ▁to ▁direct ing ▁commer ci als ▁and ▁music ▁videos , ▁she ▁directed ▁the ▁short ▁films ▁Les ▁Gr éb ich es , ▁Lem on ade ▁and ▁B .