( ( Sexual reproduction ) ( ( is ( when ( ( ( ( ( two ( haploid gametes ) ) , ) ( one ( from ( each parent ) ) ) ) , ) ( fuse ( to ( form ( ( ( a zygote ) , ) ( which ( ( develops ( into ( ( an offspring ) ( genetically different ) ) ) ) ( from ( the parents ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (JJ Sexual) (NN reproduction)) (VP (VBZ is) (SBAR (WHADVP (WRB when)) (S (NP (NP (CD two) (JJ haploid) (NNS gametes)) (, ,) (NP (NP (CD one)) (PP (IN from) (NP (DT each) (NN parent)))) (, ,)) (VP (VBZ fuse) (S (VP (TO to) (VP (VB form) (NP (NP (DT a) (NN zygote)) (, ,) (SBAR (WHNP (WDT which)) (S (VP (VBZ develops) (PP (IN into) (NP (NP (DT an) (NN offspring)) (ADJP (RB genetically) (JJ different)))) (PP (IN from) (NP (DT the) (NNS parents)))))))))))))) (. .)))
Sexual reproduction is when two haploid gametes, one from each parent, fuse to form a zygote, which develops into an offspring genetically different from the parents.
(ROOT (S (NP (JJ Sexual) (NN reproduction)) (VP (VBZ involves) (S (VP (VBG combining) (NP (JJ genetic) (NN material)) (PP (IN from) (NP (CD two) (NNS parents))) (S (VP (TO to) (VP (VB create) (NP (JJ distinct) (NN offspring)))))))) (. .)))