Selective Breeding

• selective breeding

  is the process of breeding animals or plants to produce offspring with desirable characteristics
• selective breeding occurs in

  • disease resistant crops
  • animals that produce more meat or milk
  • domestic dogs with gentle nature
  • large or unusual flowers
• formation of selective breeding

  • organisms with desired characteristics are chosen from a mixed population
  • they are bred together
  • offspring with desired characteristics are chosen and bred together
  • all the offspring show the desired characteristic
  • continues over many generations
• useful characteristics of selective breeding

  • increases crop yield
  • improve milk production
  • specific colours and patterns in flowers
  • enhance disease resistance
• disadvantages of selective breeding

  • reduces gene pool of the population
  • inbreeding
  • less variation in the population
  • potential finance loss for farmers