( ( ( genetic variability ) ( Produced ( by ( sexual reproduction ) ) ) ) ( , ( ( all organisms ) ( ( are ( genetically ( different ( from ( each other ) ) ) ) ) . ) ) ) )
(ROOT (S (S (NP (JJ genetic) (NN variability)) (VP (VBD Produced) (PP (IN by) (NP (JJ sexual) (NN reproduction))))) (, ,) (NP (DT all) (NNS organisms)) (VP (VBP are) (ADJP (RB genetically) (JJ different) (PP (IN from) (NP (DT each) (JJ other))))) (. .)))
genetic variability Produced by sexual reproduction, all organisms are genetically different from each other.
(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))))))) (. .)))