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Who is natural?. A. B. BOTH!! But How?. SELECTIVE BREEDING. Definition. “in domesticated animals is the process of a breeder developing a cultivated breed over time”— wikipedia. Historically. Charles Darwin Origin of Species —1859 Journey of the Beagle

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both but how
BOTH!! But How?

SELECTIVE BREEDING

definition
Definition
  • “in domesticated animals is the process of a breeder developing a cultivated breed over time”—wikipedia
historically
Historically
  • Charles Darwin
  • Origin of Species—1859
  • Journey of the Beagle
    • Finches with different attributes on the Galapagos islands
what do you do
What do you do?
  • Picking out desirable qualities to pass on to offspring
  • Breed the appropriate male and female species together to produce that offspring
  • Rebreed as many times as necessary to get the desire traits
techniques
Techniques
  • Inbreeding: breeding between close relatives
    • Can lock in desirable traits to a population
  • Linebreeding: like inbreeding, but farther away relatives (i.e. cousins)
    • Can lock in desirable traits without causing damage to population
  • Outcrossing: introducing new traits
    • Introduce desirable traits
slide7
Why?
  • Show dogs
  • Cattle
  • Horse racing