2-10-09 - Test1:Feb17 42MCquestions .13( gatherers...

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Test 1: Feb 17 42 MC questions 40 based on class discussion 2 based on independent reading of Ch. 13 (Early Holocene hunters and  gatherers) Lecture Topics 1. Development of evolutionary thought 2. principles of genetics; Mendel 3. cell division; mitosis/meiosis 4. DNA structure and function 5. evolution; Hardy-Weinberg; factors of evolution; origin of species 6. modern human variation and adaptation Ch.2, 3, 3, 3 4, Origin of a species: from one species, two form and evolution causes change Evolutionary pace: punctuated equilibrium and gradualism Polymorphism: Sickle Cell: Sickle cell allele at polymorphic levels: Malaria caused by parasite transmitted by mosquito: Geopgraphical distribuitions of sickle cell allele and malaria: Two Theories on the origin of a species: A) Gradualism     - Evolution is a continuous process. Natural selection is  principal in speciation.  Species 1- A, B, C, D Species 2- A Species 1- B, C, D (i) population A becomes geographically isolated from populations B- D.
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(ii) gene flow is blocked and the gene pools of population A and B-D  diverge from one another principally by natural selection (iii) population A becomes reproductively isolated from populations B-
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2-10-09 - Test1:Feb17 42MCquestions .13( gatherers...

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