Am I the only one who, while watching House last night and hearing that a child had two sets of DNA, when House said "How is this possible?" immediately thought CHIMERISM? Or however you spell it?
And I couldn't believe it took him an achingly long time to figure that out. The "disorder" is so weird, you'd have thought House would LOVE that and know about it instantly.
Maybe House didn't catch that episode of CSI when the criminal wasn't caught at first because of dual DNA. In any case, I thought it was a bit much for him to say "that's not possible." Even taking his level of distraction into account, I had a hard time suspending my disbelief that he wouldn't land on chimerism right away. I mean, there aren't many possibilities, but there IS one, you know?