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GENES that are - local.brookings.k12.sd.us
GENES that are - local.brookings.k12.sd.us

... Genes that are carried on ______________ BUT are affected by the ____________ of the individual that has the gene ...
Zebrafish as a model organism for the study of functional genomics
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... Many genes have more than two alleles in the population  Although an individual can at most carry two different alleles for a particular gene, more than two alleles often exist in the wider population.  Human ABO blood group phenotypes involve three alleles for a single gene.  The four human blo ...
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440selection - eweb.furman.edu

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... is used to produce the next generation by a process analogous to mating. Mating pairs are selected by either random mating from the entire population, some form of inbred mating, or assortive mating in which individuals with similar traits are more likely to mate. The pairs are used to produce genet ...
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−Table of Contents
−Table of Contents

... An identification of the unknown band 1 area was attempted using the uv-vis spectrum obtained. The unknown spectrum did not match up well with that of chalcone because it contained a peak around 270nm that chalcone lacks. The peaks of the unknown at 270nm and 362nm suggest that the unknown is a flav ...
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< 1 ... 675 676 677 678 679 680 681 682 683 ... 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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