ANTHR101 Lecture Notes - Lecture 7: Gene Flow, Sickle-Cell Disease, Macroevolution
4 Jul 2016
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Chapter 3 evolutionary theory and human variation. Combined, enriched, and expanded the ideas of darwin and mendel. Contribution of neo-darwinism the concept of biological race . Reproductive community of populations (reproductively isolated from others) that occupies a specific niche in nature. Ex) horses and donkeys produce mules (which cannot reproduce: therefore there are two separate species. All the genes in the bodies of all members of a given species (or population of species) The frequency of occurrence of the variants of particular genes (i. e. of alleles) within the gene pool. Calculating allows evolutionists to trace short term evolutionary change. Field that uses statistical analysis to study short term evolutionary change in large populations. Describe alleles that come in a range of different forms. Polymorphic alleles: accounts for most genetic variation across populations, populations differ not because they have mutually exclusive sets of alleles, but because they possess different proportions of the same set of alleles, ex) abo blood groups.
