Mechanism of Evolution

Genetic drift is most influential in ____________.

• small population

• moving environment

• large population

• stable environment

At which level does evolution happen?

• molecular

• population

• cell

• species

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Natural selection function on the ________on species.

• existence

• gene expression

• observable trait

• environment

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Which of the following does not produce evolutionary change?

• genetic drift

• mutation

• gene flow

• none of the choices

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Which of the following is correct about mutation?

• It respond to environment pressure by producing new forms of genes.

• It creates new allele that may be beneficial or harmful.

• It is not random.

• All of the choices

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It represents a gene trait.

• allele

• chromosome

• cell

• person

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When species move in and/or out of a population

• natural selection

• mutation

• genetic drift

• geneflow

It is the random loss of allele in a population.

• mutation

• natural selection

• genedrift

• genetic flow

How is evolution defined relative to natural selection?

• objective

• mechanism

• process

• outcome

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It is a change in the genetic information of a species.

• genetic flow

• mutation

• natural selection

• genetic drift

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