evolution of population Free Essay, Term Paper and Book Report
B. The most important post-Darwinian development in evolutionary biology has been the application of genetics to the theory of natural selection = Modern Synthesis
II. Genetics of Populations
A. Species: group of populations that have the potential to interbreed in nature. This potential is realized to varying extents, depending on the geographical distribution of breeding individuals. Usually not evenly distributed but concentrated in localized population centers and this tends to isolate them.
B. A population is united by its gene pool, the aggregate of all genes in the population. A change in the relative frequencies of alleles in the gene pool over a succession of generations is called microevolution.
C. According to the Hardy-Weinberg theorem, the frequencies of alleles in a population will remain constant if sexual reproduction is the only process that affects the gene pool. The mathematical expression for such a non-evolving population is the Hardy-Weinberg equation, which states that for a two-allele locus, p2 + 2pq + q2 = 1, where p = q represent the relative frequenci......
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