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Chapter 19
Chapter 19

... master genes  Some master genes called homeotic genes are responsible for shaping the developing ...
Genetic Disorders and Gene Therapy
Genetic Disorders and Gene Therapy

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... transcription cofactor and co-repressor activity, chromatin binding, and remodeling, among other 218 gene ontology terms. Using the classification of DNA-binding GRFs (Wingender et al. 2015), we were able to group 1521 GRF genes (~46%) into 41 different GRF classes. This GRF ca ...
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< 1 ... 1756 1757 1758 1759 1760 1761 1762 1763 1764 ... 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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