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biology Ch. 13 Notes Part b Evolution
biology Ch. 13 Notes Part b Evolution

... 3.cw/index.html 13.16 Explain how genetic variation is maintained in ...
Convergent and Divergent Evolution - Mr. Lesiuk
Convergent and Divergent Evolution - Mr. Lesiuk

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Evolution Review - rosedale11universitybiology

... e. all of the above. 11. The primary evolutionary unit is the: a. individual b. population c. germ cell d. gene e. cell Short Answer 12. Differentiate between the terms “evolution” and “natural selection.” Evolution: “change in allele frequency” for inherited characteristics over successive generati ...
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< 1 ... 1911 1912 1913 1914 1915 1916 1917 1918 1919 ... 1937 >

Microevolution

Microevolution is the change in allele frequencies that occur over time within a population. This change is due to four different processes: mutation, selection (natural and artificial), gene flow, and genetic drift. This change happens over a relatively short (in evolutionary terms) amount of time compared to the changes termed 'macroevolution' which is where greater differences in the population occur.Population genetics is the branch of biology that provides the mathematical structure for the study of the process of microevolution. Ecological genetics concerns itself with observing microevolution in the wild. Typically, observable instances of evolution are examples of microevolution; for example, bacterial strains that have antibiotic resistance.Microevolution over time leads to speciation or the appearance of novel structure, sometimes classified as macroevolution. Macro and microevolution describe fundamentally identical processes on different scales.
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