BIO 258 Notes
WEEK #5.
GENETICS and MICROEVOLUTION

• Mendel and the birth of genetics. (Futuyma ch. 3; Minkoff Ch. 2; E9).
  • Older ideas of "blending"
  • Mendel's experiments:
    • precautions
    • single-gene crosses: dominance, segregation
    • two-gene crosses: independent assortment
  • August Weismann
  • Rediscovery of Mendel in 1900 (Correns, Czermak, DeVries)
  • DeVries & mutations
  _________
• Sutton, Morgan, and the chromosomal theory. (Minkoff Ch. 6; E10).
  • Sutton, linkage, & chromosomes
  • Morgan's fruit flies
  • Creighton & McClintock; Stern
• Making of the "modern synthesis" (E11)
  • Geneticists vs naturalists
  • Biometrical school & continuous variation
  • The rise of population genetics
  • Fisher (1930): The Genetical Theory of Natural Selection
  • Ecotypic variation (Clausen & al); L.R. Dice
  • Russian school (Chetverikov, Philipchenko, Dubinin, Dobzhansky)
  • Dobzhansky's Genetics and the Origin of Species
  • Mayr's Systematics and the Origin of Species (speciation theory)
  • Julian Huxley: The New Systematics;
    Evolution, the Modern Synthesis

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