( ( ( Parthenogenesis or ) ( virgin birth ) ) ( ( is ( ( the ( asexual ( reproductive process ) ) ) ( which ( ( ( a ( female 's ) ) egg ) ( ( undergoes ( embryonic development ) ) ( without ( ( the ( fertilizing union ) ) ( of ( ( 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 (WHNP (WDT which)) (S (NP (NP (DT a) (NN female) (POS 's)) (NN egg)) (VP (VBZ undergoes) (NP (JJ embryonic) (NN development)) (PP (IN without) (NP (NP (DT the) (JJ fertilizing) (NN union)) (PP (IN of) (NP (NP (DT a) (NN male) (POS 's)) (NN sperm)))))))))) (. .)))
Parthenogenesis or virgin birth is the asexual reproductive process which a female's egg undergoes embryonic development without the fertilizing union of 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)))))) (. .)))