Natural Selection Rock Pocket Mouse

Mutations are a change in what?

• DNA
• tRNA
• genotype
• phenotype

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What term means, "any changes in an organism's DNA?"

• mutation

• variation

• fitness

• adaptation

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Why did dark-colored rock pocket mice first appear in a population of light-colored rock pocket mice?

• They have a genetic mutation that affects their fur color.
• There is dark lava rock in the area where they live.
• Individuals change color to blend in with the environment.
• Predators eat light-colored rock pocket mice. 

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Why do dark-colored rock pocket mice on dark lava flows have white bellies?

• There is no selectin for dark bellies by visual predators. 
• Mutations causing dark bellies do not occur. 
• There is a reproductive advantage to having a dark belly. 
• White bellies are an important part of camouflage.

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Mutations are always

• good
• bad
• neutral
• a change in an organism's DNA

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Why did the MCr1 gene mutation become prevalent in the rock pocket mouse populations?

• The mutation produced dark colored mice, who were better able to survive and reproduce in volcanic rock environments.

• The mutation produced light colored mice, who were better able to survive and reproduce in volcanic rock environments.

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For the rock pocket mouse, which of the following contributes to selective pressure favoring dark-colored fur? (Choose all that apply)

• Predators

• Genetic mutations

• Rock color

• Water supply

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Who was the father of genetics?

• Charles Darwin

• Mr. Lupo

• Albert Einstein

• Gregor Mendel

Who was the known as the father of the theory of evolution and natural selection?

• Charles Darwin

• Mr. Lupo

• Albert Einstein

• Gregor Mendel

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If this pedigree shows an autosomal recessive disorder, what MUST the genotype of individual II-3 be?

• HH
• Hh
• hh
• None of the above

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