( ( ( ( ( It ( affects ( both genders ) ) ) , ) but ) ( ( female preponderance ) ( is typical ) ) ) . )
(ROOT (S (S (NP (PRP It)) (VP (VBZ affects) (NP (DT both) (NNS genders)))) (, ,) (CC but) (S (NP (JJ female) (NN preponderance)) (VP (VBZ is) (ADJP (JJ typical)))) (. .)))
It affects both genders, but female preponderance is typical.
(ROOT (S (NP (JJ Female) (NN gender)) (ADVP (RB typically)) (VP (VBZ experiences) (NP (NN growth) (NNS spurts)) (ADVP (RB first))) (. .)))