from The Century Dictionary and Cyclopedia

  • n. The type of deseent found in large groups of freely interbreeding organisms, such as natural species.
  • n. The normal biologic condition of free interbreeding among organisms of the same specific or subspecific group: distinguished on one side from too wide cross-breeding, and on the other from too narrow inbreeding.
  • n. Generation by the union of the sexual products of two individuals; cross-fertilization as distinguished from self-fertilization.


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