( ( Sexual reproduction ) ( ( ( ( involves ( two parents ) ) and ) ( produces ( offspring ( that ( are ( genetically unique ) ) ) ) ) ) . ) )
(ROOT (S (NP (JJ Sexual) (NN reproduction)) (VP (VP (VBZ involves) (NP (CD two) (NNS parents))) (CC and) (VP (VBZ produces) (NP (NP (NN offspring)) (SBAR (WHNP (WDT that)) (S (VP (VBP are) (ADJP (RB genetically) (JJ unique)))))))) (. .)))
Sexual reproduction involves two parents and produces offspring that  are genetically unique.
(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)))))))) (. .)))