( They ( ( include ( ( ( ( ( ( monoclonal ( and ( polyclonal antibodies ) ) ) , ) antigens ) , ) and ) ( genetic probes ) ) ) . ) )
(ROOT (S (NP (PRP They)) (VP (VBP include) (NP (NP (JJ monoclonal) (CC and) (JJ polyclonal) (NNS antibodies)) (, ,) (NP (NNS antigens)) (, ,) (CC and) (NP (JJ genetic) (NNS probes)))) (. .)))
They include monoclonal and polyclonal antibodies, antigens, and genetic probes.
(ROOT (S (NP (DT An) (NN animal)) (VP (VBZ produces) (NP (JJ polyclonal) (NNS antibodies)) (PP (IN after) (NP (NP (NN exposure)) (PP (TO to) (NP (DT a) (JJ microbial) (NN antigen)))))) (. .)))