( ( As soon ) ( as ( ( the centromere ) ( ( divides , ) ( ( ( ( setting ( ( the ( two chromatids ) ) adrift ) ) -LRB- ) ( during ( anaphase ( of mitosis ) ) ) ) ; ) ) ) ) )
(ROOT (FRAG (ADVP (RB As) (RB soon)) (SBAR (IN as) (S (NP (DT the) (NN centromere)) (VP (VBZ divides) (, ,) (S (VP (VBG setting) (NP (NP (DT the) (CD two) (NNS chromatids)) (ADJP (JJ adrift))) (-LRB- -LRB-) (PP (IN during) (NP (NP (NN anaphase)) (PP (IN of) (NP (NNS mitosis))))) (: ;))))))))
As soon as the centromere divides, setting the two chromatids adrift (during anaphase of mitosis;
(ROOT (S (PP (IN During) (NP (DT the) (JJ anaphase) (NN phase))) (, ,) (S (NP (NN sister) (NNS chromatids)) (VP (VBP separate))) (CC and) (S (NP (DT the) (NNS centromeres)) (VP (VBP divide))) (. .)))