( ( That is ) ( , ( ( ( Hox ( gene functions ) ) ( were ( similar ( in ( ( controlling ( body axis ) ) ( patterning ( in ( ( ( ( ( both flies ) and ) ( other ( ( more complicated ) animals ) ) ) , ) ( such ( as mammals ) ) ) ) ) ) ) ) ) ) . ) ) )
(ROOT (S (INTJ (DT That) (VBZ is)) (, ,) (S (NP (NNP Hox) (NN gene) (NNS functions)) (VP (VBD were) (ADJP (JJ similar) (PP (IN in) (NP (NP (VBG controlling) (NN body) (NNS axis)) (VP (VBG patterning) (PP (IN in) (NP (NP (DT both) (NNS flies)) (CC and) (NP (JJ other) (ADJP (RBR more) (JJ complicated)) (NNS animals)) (, ,) (PP (JJ such) (IN as) (NP (NNS mammals))))))))))) (. .)))
That is, Hox gene functions were similar in controlling body axis patterning in both flies and other more complicated animals, such as mammals.
(ROOT (S (NP (NNP Animal) (NNS behaviors)) (VP (VBP are) (VP (VBN controlled) (PP (IN by) (NP (NP (DT both) (NNS genes) (CC and) (NNS experiences)) (PP (IN in) (NP (DT a) (VBN given) (NN envionment))))))) (. .)))