Microevolution is defined as a change inallele frequencies in a population over

Question

Microevolution is defined as a change inallele frequencies in a population over generations. Please explainwhat an allele is, in genetic terms. Name the three major factorsinvolved in allele frequency changes in populations. Describe, indetail, how natural selection works on individuals, while evolutionoccurs in populations. Include a real or hypothetical example ofthe process of natural selection in your answer other thaninsects and insecticide! Identify the specific natural selectionpressure and the specific trait being selected for in yourexample.

Explanation / Answer

An allele is an alternative form of a gene (one member of apair) that is located at a specific position on a specificchromosome.

Bailey, Regina. “Allele – A geneticDefinition” http://biology.about.com/od/geneticsglossary/g/alleles.htm

Factors Affecting Allele Frequency

http://cal.vet.upenn.edu/index.php?page=factors-affecting-allele-frequency

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