Mechanisms of Evolution Review

Evolution occurs in

• individuals at one point of time

• populations at one point of time

• individuals over time

• populations over time

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Genetic drift is change in the allele frequency of a population due to...

• natural selection

• random chance

• artificial selection

• non-random mating (sexual selection)

A change in a gene, group of genes or chromosome that results in a change in the proteins

• Mutations

• Replication

• Transcription

• Translation

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Select the best answer based on the image.

• Gene Flow

• Genetic Drift

• Selective Mating

• Natural Selection

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movement of genes into and out of the population due to the movement of either individuals or gametes.

• Genetic Drift

• Gene Flow

• Intrasexual Selection

• Intersexual Selection

Change in the characteristics of a species over several generations.

• Evolution

• Genetic Drift

• Mutation

• Genes

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collection of different genes within an interbreeding population.

• Evolution

• Gene Pool

• Genetics

• Speciation

Wolves from the Arizona mesa were transferred to the Colorado Rockies after a forest fire destroyed their habitat. They quickly became part of the local pack and had offspring.

• Mutation

• Natural Selection

• Gene Flow

• Genetic Drift

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Maria Concepcion Soto settled in the northern area of Venezuela. She suffered from a rare genetic disorder called Huntington’s Disease. As a result, the now 20,000 individuals who live there also have a high risk of Huntington’s Disease.

• Gene Flow

• Genetic Drift

• Natural Selection

• Speciation

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Which organisms are most likely to survive?

• the fastest

• the strongest

• the most domesticated

• the best adapted

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