( ( ( ( C -RRB- ) ( in oogenesis ) ) , ) ( ( ( ( ( one ( mature ovum ) ) ( is produced ) ) , ) and ) ( in ( spermatogenesis ( ( four ( mature sperm ) ) ( are ( produced ( from ( the ( parent cell ) ) ) ) ) ) ) ) ) )
(ROOT (S (VP (VP (VB C) (-RRB- -RRB-) (ADJP (IN in) (JJ oogenesis))) (, ,) (SBAR (S (NP (CD one) (JJ mature) (NN ovum)) (VP (VBZ is) (VP (VBN produced)))) (, ,) (CC and) (S (ADVP (RB in)) (VP (VBZ spermatogenesis) (SBAR (S (NP (CD four) (JJ mature) (NN sperm)) (VP (VBP are) (VP (VBN produced) (PP (IN from) (NP (DT the) (NN parent) (NN cell)))))))))))))
C) in oogenesis, one mature ovum is produced, and in spermatogenesis four mature sperm are produced from the parent cell
(ROOT (S (SBAR (IN While) (S (NP (NNS spermatogenesis)) (VP (VBZ produces) (NP (CD four) (JJ haploid) (NN sperm) (NNS cells))))) (, ,) (NP (NNS oogenesis)) (VP (VBZ produces) (NP (CD one) (JJ mature) (NN ovum))) (. .)))