Transcriptional noise and the evolution of gene number.

  title={Transcriptional noise and the evolution of gene number.},
  author={Adrian Bird and Sanford Tweedie},
  journal={Philosophical transactions of the Royal Society of London. Series B, Biological sciences},
  volume={349 1329},
Several proposals are made to explain the apparent increase in complexity of certain lineages during evolution. The proposals (not made in this order) are: (1) that gene number is a valid measure of biological complexity; (2) that gene number has not increased continuously during evolution, but has risen in discrete steps; (3) that two of the biggest steps occurred at the transition from prokaryotes to eukaryotes and the transition from invertebrates to vertebrates; (4) that these steps were… CONTINUE READING

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