On the abundance of polyploids in flowering plants.

  title={On the abundance of polyploids in flowering plants.},
  author={Lauren Ancel Meyers and Donald A. Levin},
  journal={Evolution; international journal of organic evolution},
  volume={60 6},
The wide distribution of polyploidy among plants has led to a variety of theories for the evolutionary advantages of polyploidy. Here we claim that the abundance of polyploidy may be the result of a simple ratcheting process that does not require evolutionary advantages due to the biological properties of organisms. The evolution of polyploidy is a one-way process in which chromosome number can increase but not decrease. Using a simple mathematical model, we show that average ploidal level… CONTINUE READING

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