Unformatted text preview: , dogs, and rat catching" 19. Captain's companion on HMS Beagle 1. Sailed Dec. 27, 1831 20. Galapagos Islands 21. Wrote sketches of his ideas in 1842 and 1844 Origin of Species 1859 22. Mutability of species 23.Species evolve from other species via Natural Selection
24. Descent with modification Evolution through Natural Selection 25. Natural selection cannot occur without variation in a population 26. A trait must be inherited 27. Differential reproductive success 28. Fitness is relative 22. Adaptive 23. Maladaptive 24. Neutral Natural Selection 0. Directional 1. Normalizing 2. Balancing 0. Heterozygous advantage Gregor Mendel 1822-1884 29. In school bright but not successful 30. Financial difficulties lead to joining the monastery in Moravia (Czech) (1840s) 31. 1860s published his genetic theories 32. Not thought important until rediscovered in the early 1900s Reasons for Success 33. Followed progress of hybrids through a number of generations 34. Selected plants that poss...
View Full Document
- Fall '07
- DNA, great chain, Bishop James Ussher, 57. mRNA is attracted to a ribome