( ( In ( organisms ( that ( ( ( reproduce sexually ) , ) ( once ( ( a sperm ) ( fertilizes ( an ( egg cell ) ) ) ) ) ) ) ) ) ( , ( ( the result ) ( ( is ( ( a cell ) ( called ( ( ( the zygote ) , ) ( which ( has ( DNA ( from ( each ( of ( the ( two parents ) ) ) ) ) ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN In) (NP (NP (NNS organisms)) (SBAR (WHNP (WDT that)) (S (VP (VB reproduce) (ADVP (RB sexually)) (, ,) (SBAR (IN once) (S (NP (DT a) (NN sperm)) (VP (VBZ fertilizes) (NP (DT an) (NN egg) (NN cell)))))))))) (, ,) (NP (DT the) (NN result)) (VP (VBZ is) (NP (NP (DT a) (NN cell)) (VP (VBN called) (NP (NP (DT the) (NN zygote)) (, ,) (SBAR (WHNP (WDT which)) (S (VP (VBZ has) (NP (NP (NNP DNA)) (PP (IN from) (NP (NP (DT each)) (PP (IN of) (NP (DT the) (CD two) (NNS parents))))))))))))) (. .)))
In organisms that reproduce sexually, once a sperm fertilizes an egg cell, the result is a cell called the zygote, which has DNA from each of the two parents.
(ROOT (S (NP (NP (DT The) (VBN fertilized) (NN egg)) (SBAR (WHNP (WDT that)) (S (ADVP (RB sexually)) (VP (VBG reproducing) (S (NP (NNS organisms)) (VP (VB begin) (NP (NN life)) (SBAR (IN as) (S (VP (VBZ is) (VP (VBN known) (PP (IN as) (NP (DT a) (-LRB- -LRB-) (NN n) (-RRB- -RRB-))))))))))))) (VP (VBP zygote)) (. .)))