Mutations 101 Review

True or False: Some fish evolved to be blue in color because they CHOSE to be blue to camoflauge better.

• True - species can CHOOSE their adaptations

• False - new adaptations occur through random mutations

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When DNA was being copied in the cell, one part was changed from "CAC" to "AAC". This mutation...

• will definitely be harmful to the organism

• will definitely have no effect on the organism

• will definitely be beneficial to the organism

• can be harmful, beneficial, or have no effect on the organism

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What is TRUE about a mutation?

• It is a change in a gene (from DNA) or chromosome

• mutations are always harmful

• mutations are bad for evolution

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Sections of DNA are called _______, which code for proteins

• genes

• chromosomes

• cells

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What can cause mutations in DNA?

• When there is a mistake or error in the DNA replication process (when DNA copies are made)

• Environmental factors such as sunlight, radiation, or other cancer causing factors

• Viral infections

• all answer choices are correct

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When viruses mutate, different versions of themselves are created. We call them

• variants

• mutagens

• carcinogens

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Viruses evolve very slowly - over the course of thousands of years.

• True

• False

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If a mutation gives an organism a survival advantage,

• it can be passed down from generation to the next and develop into an adaptation

• it could contribute to the evolution of the species

• both answers are correct

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How do adaptations change from one generation to the next?

• mutations

• the organism controls it

• the organism chooses it

• the environment chooses the adaptation

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Mutations are​ (a)   Natural selection is​ (b)  

• random.
• not random.
• chosen
• good or bad

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