Evolution of Populations Review 2023

What do you call all of the genes in a population?

• Gene pool
• Relative Frequency
• Genetic Drift
• Allele pool

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NGSS.HS-LS4-2

The measure of how common an allele is in a population is known as ___________.

• Allele Combination
• Allele Frequency
• Gene Pool
• Genotypic Frequency

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Many members of one species in an area

• ecosystem
• community
• biodiversity
• population

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Which is a mechanism that causes a change in allele frequency?

• gene flow
• genetic drift
• natural selection
• all answers are correct

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This mechanism of evolution occurs when populations migrate.

• Extinction
• Gene flow
• Genetic drift
• Natural Selection

What are sources of genetic variation?

• mutations only

• genetic recombination (sexual reproduction) only

• adaptation

• mutations, gene flow, sexual reproduction

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What does the image represent?

• Gene flow
• Genetic drift
• Mutation
• Adaptation

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Which of the following is a correct statement about the relationship between natural selection and evolution?

• natural selection results from evolution

• natural selection includes evolution as a part of it

• natural selection is one mechanism of evolution

• natural selection and evolution are the same thing

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NGSS.HS-LS4-4

Genetic variation can arise from a random change int he DNA of a gene. This change is called a(n)

• mutation

• gene flow

• gene pool

• allele

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NGSS.HS-LS3-2

NGSS.HS-LS4-2

A mutation is defined as:

• A change in the cell's structure

• Anything that changes in an embryo

• Any change in the physical features of a human

• A change in the DNA sequence

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