Artificial selection

  • Created by: 8cburton
  • Created on: 26-05-15 15:30
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  • Artificial selection
    • Carried out to produce organisms with the characteristichumans require
    • Inbreeding
      • When gametes of close relatives fuse.
      • Promotes homozygosity
      • Plant species may show a degree loss of vigour, size and fertility
        • This is called inbreeding depression
    • Outbreeding
      • Crossing of unrelated varieties
      • Promotes heterozygosity
      • Introduces vigour where organisms may grow strongly
      • Occurs when new chromosomes are complementary intheir effects


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