( ( On ( the contrary ) ) ( , ( ( sexual reproduction ) ( ( produces ( individuals ( who ( ( are all ) ( genetically different ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN On) (NP (DT the) (NN contrary))) (, ,) (NP (JJ sexual) (NN reproduction)) (VP (VBZ produces) (NP (NP (NNS individuals)) (SBAR (WHNP (WP who)) (S (VP (VBP are) (RB all) (ADJP (RB genetically) (JJ different))))))) (. .)))
On the contrary, sexual reproduction produces individuals who are all genetically different.
(ROOT (NP (NP (JJ Sexual) (NN reproduction) (NNS results)) (PP (IN in) (NP (NP (NN offspring)) (SBAR (WHNP (WDT that)) (S (VP (VBP are) (ADVP (RB generally)) (ADJP (DT all) (RB genetically) (JJ different))))))) (. .)))