( ( The ( rare ( anaphase figures ) ) ) ( ( ( do not ) ( reveal ( ( the ( characteristic ( chromosome orientation ) ) ) ( ( indicative ( of ( the ( strong ( mechanical pull ) ) ) ) ) ( evident ( in ( ( ( wild-type anaphase ) , ) ( where ( ( chromosome arms ) ( trail ( behind ( ( ( leading ( centromeric regions ) ) ( on ( their way ) ) ) ( to ( the ( spindle poles ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (JJ rare) (NN anaphase) (NNS figures)) (VP (VBP do) (RB not) (VP (VB reveal) (S (NP (DT the) (JJ characteristic) (NN chromosome) (NN orientation)) (ADJP (JJ indicative) (PP (IN of) (NP (DT the) (JJ strong) (JJ mechanical) (NN pull)))) (S (ADJP (JJ evident) (PP (IN in) (NP (NP (JJ wild-type) (NN anaphase)) (, ,) (SBAR (WHADVP (WRB where)) (S (NP (NN chromosome) (NNS arms)) (VP (VBP trail) (PP (IN behind) (S (VP (VBG leading) (NP (JJ centromeric) (NNS regions)) (PP (IN on) (NP (PRP$ their) (NN way))) (PP (TO to) (NP (DT the) (JJ spindle) (NNS poles)))))))))))))))) (. .)))
The rare anaphase figures do not reveal the characteristic chromosome orientation indicative of the strong mechanical pull evident in wild-type anaphase, where chromosome arms trail behind leading centromeric regions on their way to the spindle poles.
(ROOT (S (NP (JJ Spindle) (NNS fibers)) (VP (VBP pull) (NP (VBN linked) (NNS chromosomes)) (PP (ADVP (RB apart)) (IN in) (NP (JJ anaphase) (NN i.))))))