( ( ( Parthenogenesis or ) ( virgin birth ) ) ( ( is ( ( the ( asexual ( reproductive process ) ) ) ( ( by which ) ( ( ( a ( female 's ) ) ( egg undergoes ) ) ( ( embryonic ( without ( the ( fertilizing union ) ) ) ) ( ( a ( male 's ) ) sperm ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NNS Parthenogenesis)) (CC or) (NP (JJ virgin) (NN birth))) (VP (VBZ is) (NP (NP (DT the) (JJ asexual) (JJ reproductive) (NN process)) (SBAR (WHPP (IN by) (WHNP (WDT which))) (S (NP (NP (DT a) (NN female) (POS 's)) (NN egg) (NNS undergoes)) (VP (VBN embryonic) (PP (IN without) (NP (DT the) (JJ fertilizing) (NN union))) (NP (NP (DT a) (NN male) (POS 's)) (NN sperm))))))) (. .)))
Parthenogenesis or virgin birth is the asexual reproductive process by which a female's egg undergoes embryonic without the fertilizing union a male's sperm.
(ROOT (S (NP (JJ Asexual) (NN reproduction)) (VP (VBZ generates) (NP (JJ new) (NNS individuals)) (PP (IN without) (NP (NP (NN fusion)) (PP (IN of) (NP (DT an) (NN egg) (CC and) (NN sperm)))))) (. .)))