Mechanisms of Evolution

This diagram is demonstrating

• Mutation

• Gene Flow

• Genetic Drift

• Natural Selection

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This diagram is demonstrating

• Mutation

• Gene Flow

• Genetic Drift

• Natural Selection

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The ONLY mechanism of evolution that can be the source of NEW genes is

• mutation

• natural selection

• gene flow

• genetic drift

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A NEW allele shows up in a population

• Mutation

• Natural Selection

• Gene Flow

• Genetic Drift

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Random changes to a gene pool that adds variety and new genes to the gene pool.

• Mutation

• Speciation

• Non-Random mating

• Sexual selection

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Process when humans choose specific characteristics to breed rather than having nature select the organisms best fit.

• Gene flow

• Genetic drift

• Artificial Selection

• Mutation

Migration of individuals into and out of a population.

• Gene flow

• Genetic drift

• Artificial Selection

• Mutation

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This image demonstrates

• Founder Effect

• Bottleneck Effect

• Immigration

• Emigration

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A change in the gene pool of a small population due to chance (random)

• Gene flow

• Genetic drift

• Artificial Selection

• Mutation

Mutations are a change in what?

• DNA

• tRNA

• protein

• rRNA

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