Cryptic variation in morphological evolution: HSP90 as a capacitor for loss of eyes in cavefish.
Rohner N, Jarosz DF, Kowalko JE, Yoshizawa M, Jeffery WR, Borowsky RL, Lindquist S, Tabin CJ. Cryptic variation in morphological evolution: HSP90 as a capacitor for loss of eyes in cavefish. Science. 2013 Dec 13; 342(6164):1372-5.