( It ( ( results ( in ( ( double ( the number ) ) ( of ( offspring ( generated ( by ( sexual reproduction ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP It)) (VP (VBZ results) (PP (IN in) (NP (NP (RB double) (DT the) (NN number)) (PP (IN of) (NP (NP (NN offspring)) (VP (VBN generated) (PP (IN by) (NP (JJ sexual) (NN reproduction))))))))) (. .)))
It results in double the number of offspring generated by sexual reproduction.
(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))))))) (. .)))