Evolution and the meaning of metaphase.

  title={Evolution and the meaning of metaphase.},
  author={R. Bruce Nicklas and Pilar Arana},
  journal={Journal of cell science},
  volume={102 ( Pt 4)},
We used an evolutionary test to ask whether the congression of chromosomes to the spindle equator is important in itself or just a mitotic happenstance. If congression matters, then it might evolve if absent initially. Previous workers established that newly made trivalents, meiotic units of three chromosomes, generally do not congress to the spindle… CONTINUE READING