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Evolution

Evolution. Any change in the genetic make-up of a population through time. Variation within a population. January (unusual). May (normal). Variation within a population. Agents of Genetic Change. Agents of Genetic change in populations. Mutation. *A change in the actual genetic code.

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Evolution

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  1. Evolution Any change in the genetic make-up of a population through time

  2. Variation within a population January (unusual) May (normal)

  3. Variationwithin a population

  4. Agents of Genetic Change

  5. Agents of Genetic change in populations Mutation *A change in the actual genetic code

  6. Agents of Genetic change in populations Gene Flow (migration)

  7. Agents of Genetic change in populations Nonrandom mating

  8. Agents of Genetic change in populations Selection *natural *artificial *sexual *kin

  9. Agents of Genetic change in populations Genetic Drift

  10. Agents of Genetic change in populations Bottleneck effect

  11. Bottleneck effect (natural) Cheetah

  12. Bottleneck effect Whooping crane human caused Gila elegans Three of many, many examples Elephant seal

  13. Agents of Genetic change in populations Founder Effect

  14. Founder Effect

  15. Founder Effect Darwin’s finches

  16. Founder Effect Snowy egret Hawaiian Honey Creepers

  17. Amish

  18. Great moments in evolution

  19. Types of Selection

  20. Stabilizing Selection

  21. Stabilizing Selection

  22. Direction Selection

  23. Direction Selection

  24. Disruptive Selection

  25. Disruptive Selection Sunfish and breeding nests

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