( ( Sexual reproduction ) ( ( involves ( ( ( ( ( ( two parents ) , ) ( ( the joining ) ( of gametes ) ) ) , ) and ) ( results ( in ( ( genetically variable ) offspring ) ) ) ) ) . ) )
(ROOT (S (NP (JJ Sexual) (NN reproduction)) (VP (VBZ involves) (NP (NP (CD two) (NNS parents)) (, ,) (NP (NP (DT the) (NN joining)) (PP (IN of) (NP (NNS gametes)))) (, ,) (CC and) (NP (NP (NNS results)) (PP (IN in) (NP (ADJP (RB genetically) (VBN variable)) (NN offspring)))))) (. .)))
Sexual reproduction involves two parents, the joining of gametes, and results in genetically variable offspring.
(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)))))))) (. .)))