( ( ( ( ( ( In prokaryotes ) ( , ( ( binary fission ) ( ( does not ) ( involve mitosis ) ) ) ) ) , ) but ) ( ( in ( ( single-celled eukaryotes ) ( that ( undergo ( binary fission ) ) ) ) ) ( , ( mitosis ( is ( part ( of ( the process ) ) ) ) ) ) ) ) . )
(ROOT (S (S (PP (IN In) (NP (NNS prokaryotes))) (, ,) (NP (JJ binary) (NN fission)) (VP (VBZ does) (RB not) (VP (VB involve) (NP (NNS mitosis))))) (, ,) (CC but) (S (PP (IN in) (NP (NP (JJ single-celled) (NNS eukaryotes)) (SBAR (WHNP (WDT that)) (S (VP (VBP undergo) (ADJP (RB binary) (JJ fission))))))) (, ,) (NP (NNS mitosis)) (VP (VBZ is) (NP (NP (NN part)) (PP (IN of) (NP (DT the) (NN process)))))) (. .)))
In prokaryotes, binary fission does not involve mitosis, but in single-celled eukaryotes that undergo binary fission, mitosis is part of the process.
(ROOT (S (NP (JJ Binary) (NN fission)) (VP (VBZ is) (NP (NP (DT a) (NN form)) (PP (IN of) (NP (NP (NN cell) (NN division)) (PP (IN in) (NP (JJ prokaryotic) (NNS organisms))))) (SBAR (WHNP (WDT that)) (S (VP (VBZ produces) (NP (JJ identical) (NN offspring))))))) (. .)))
Binary fission is a form of cell division in prokaryotic organisms that produces identical offspring.