( ( More recently ) ( , ( ( genes ( influencing ( specific behaviors ) ) ) ( ( have ( been ( identified ( by ( ( analyzing ( behavioral abnormalities ) ) ( in ( mice ( with ( targeted ( gene disruption ) ) ) ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (ADVP (RBR More) (RB recently)) (, ,) (NP (NP (NNS genes)) (VP (VBG influencing) (NP (JJ specific) (NNS behaviors)))) (VP (VBP have) (VP (VBN been) (VP (VBN identified) (PP (IN by) (S (VP (VBG analyzing) (NP (JJ behavioral) (NNS abnormalities)) (PP (IN in) (NP (NP (NNS mice)) (PP (IN with) (NP (JJ targeted) (NN gene) (NN disruption))))))))))) (. .)))
More recently, genes influencing specific behaviors have been identified by analyzing behavioral abnormalities in mice with targeted gene disruption.
(ROOT (S (NP (NP (NNS Behaviors)) (SBAR (WHNP (WDT that)) (S (VP (VP (VBP are) (ADVP (RB closely)) (VP (VBN controlled) (PP (IN by) (NP (NNS genes))))) (CC and) (VP (VBP have) (NP (NP (RB little)) (PP (TO to) (NP (DT no) (JJ environmental) (NN influence))))))))) (VP (VBP are) (VP (VBN called) (NP (JJ innate) (NNS behaviors)))) (. .)))