(S (S (BASENP (NNP Snowe)) (VP (VBZ fears) (SBAR (S (NP (BASENP (DT the) (NN threat)) (PP (IN of) (BASENP (NN discrimination)))) (VP (MD may) (VP (VP (VB discourage) (BASENP (NNS people))) (PP (IN from) (S (VP (VBG undergoing) (NP (BASENP (JJ genetic) (NN testing)) (COMMA ,) (SBAR (WHNP (WDT which)) (S (VP (MD can) (VP (VB help) (S (VP (TO to) (VP (VP (VB diagnose) (NP (BASENP (DT a) (JJ wide) (NN range)) (PP (IN of) (BASENP (NNS diseases))))) (CC and) (VP (VB lead) (PP (TO to) (BASENP (NN lifesaving) (NN therapy))))))))))))))))))))) (PERIOD .))