( Oogenesis ( ( ( results ( in ( ( the formation ) ( of ( ( ( one egg ) and ) ( three ( polar bodies ) ) ) ) ) ) ) ( from ( one ( meiotic division ) ) ) ) . ) )
(ROOT (S (NP (NNS Oogenesis)) (VP (VBZ results) (PP (IN in) (NP (NP (DT the) (NN formation)) (PP (IN of) (NP (NP (CD one) (NN egg)) (CC and) (NP (CD three) (JJ polar) (NNS bodies)))))) (PP (IN from) (NP (CD one) (JJ meiotic) (NN division)))) (. .)))
Oogenesis results in the formation of one egg and three polar bodies from one meiotic division.
(ROOT (S (NP (CD One) (JJ large) (NNS eggs)) (VP (VBP are) (VP (VBN generated) (PP (IN during) (NP (NNS oogenesis))))) (. .)))