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Final Exam Review Sheet
Final Exam Review Sheet

... 2. Humans are now eating food from genetically modified organisms (GMOs), particularly from plants. Give five examples in which you identify the genetically engineered plant, the altered trait, and the gene construction responsible for this trait. List any concerns that opponents have expressed with ...
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< 1 ... 1726 1727 1728 1729 1730 1731 1732 1733 1734 ... 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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