To see or not to see: evolution of eye degeneration in mexican blind cavefish.

@article{Jeffery2003ToSO,
  title={To see or not to see: evolution of eye degeneration in mexican blind cavefish.},
  author={William R Jeffery and Allen G. Strickler and Yoshiyuki Yamamoto},
  journal={Integrative and comparative biology},
  year={2003},
  volume={43 4},
  pages={531-41}
}
The evolutionary mechanisms responsible for the loss of eyes in cave animals are still unresolved. Hypotheses invoking natural selection or neutral mutation have been advanced to explain eye regression. Here we describe comparative molecular and developmental studies in the teleost Astyanax mexicanus that shed new light on this problem. A. mexicanus is a single species consisting of a sighted surface-dwelling form (surface fish) and many blind cave-dwelling forms (cavefish) from different caves… CONTINUE READING
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