Part 1 – Process Identification Data Table 1. Process Identification Scenario Evolutionary Process Specific Type of Process Peppered Moth Coloration Natural Selection Bottleneck Anemophily Migration Genetic Drift Human Influence on Elephant Seal Populations Genetic Drift Bottleneck Tay-Sachs Disease Genetic Drift OR Natural Selection Differential Survival and Reproduction OR Founder Effect
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Peppered Moth Coloration: This is an example of natural selection, specifically directional selection, as the moth population shifts towards a specific coloration due to environmental pressures. $$\textbf{Peppered Moth Coloration: Natural Selection - Directional Show more…
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Concept List You must include at least three of the following: Genetic drift Bottleneck effect Founder effect Gene Flow Mutation Natural selection - Directional selection Natural selection - Stabilizing selection Natural selection - Diversifying selection Prezygotic reproductive isolation - Habitat isolation Prezygotic reproductive isolation - Behavioral isolation Prezygotic reproductive isolation - Temporal isolation Prezygotic reproductive isolation - Mechanical isolation Postzygotic reproductive isolation - Genetic isolation Postzygotic reproductive isolation - Reduced hybrid viability or fertility Allopatric speciation
Adi S.
Genetic drift can also be magnified by natural or human-caused events, such as a disaster that randomly kills a large portion of the population, which is known as the bottleneck effect that results in a large portion of the genome suddenly being wiped out (Select all that apply.) a. bottleneck effect b. random mating effect c. density-dependent effect d. gene flow effect
Josee P.
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