if (exomeTrack == null) return false;
ExomeReferenceFrame exomeFrame = new ExomeReferenceFrame(defaultFrame, exomeTrack);
Locus locus = new Locus(defaultFrame.getChrName(), (int) defaultFrame.getOrigin(), (int) defaultFrame.getEnd());
exomeFrame.jumpTo(locus);
defaultFrame = exomeFrame;
frames.clear();
frames.add(defaultFrame);
exomeMode = true;
return true;