S7L3a Review

Which of the following statements correctly describes genes?

• Genes are learned behaviors and are passed on from parent to offspring.

• Genes are learned behaviors and are developed over the course of a lifetime.

• Genes are portions of chromosomes that identify specific physical traits and are passed on from parent to offspring.

• Genes are portions of chromosomes that identify specific physical traits and are developed over the course of a lifetime.

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What is a gene?

• a characteristic of any organism

• change in the DNA.

• a set of instructions in the DNA sequence of an organism.

• a sex cell that aids in organisms’ reproduction.

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What is a trait?

• a characteristic of any organism

• change in the DNA.

• a set of instructions in the DNA sequence of an organism.

• a sex cell that aids in organisms’ reproduction.

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Which statement about genes is NOT true?

• All copies of every gene are always identical.

• Traits are passed from parent to offspring through genes.

• A gene contains information about specific characteristics and traits.

• Genes are a short section of DNA.

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Oscar and Ella are expecting a child and are trying to predict what the child will be like. They each listed a few things about themselves that they would like to share with their child. Select THREE things from Oscar and Ella’s list that may be passed to their child through genes:

• Freckles

• Green eyes

• Red hair

• Piano

• Hockey

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Two sections of a genetic material from a fruit fly are shown in the diagram below. What does the diagram reveal about the inherited traits of fruit flies?

• Inherited traits are controlled by tissues, which are found in organs.

• Inherited traits are controlled by organs, which are found in tissues.

• Inherited traits are controlled by genes, which are found in chromosomes.

• Inherited traits are controlled by chromosomes, which are found in genes.

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Which of these best describes how traits are passed from one generation to the next?

• They are acquired from the environment at birth.

• They are passed to the offspring through the genes of each parent.

• They are passed through the blood from mother to offspring before birth.

• They are behaviors that parents teach their offspring when the offspring are young.

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Which of these best describes the role that genes play in the inheritance of traits?

• They contain instructions for producing certain traits.

• They contain reproductive cells that produce certain traits.

• They provide the energy needed to produce certain traits.

• They provide the nutrients needed to produce certain traits.

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Which of these best explains the relationship between genes and chromosomes?

• Chromosomes contain pieces of information for traits, called genes.

• Genes contain pieces of information for traits, called chromosomes.

• Chromosomes are passed on to the offspring only by the mother, but genes are passed on to the offspring by both parents.

• Genes are passed on to the offspring only by the mother, but chromosomes are passed on to the offspring by both parents.

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What is a mutation?

• a characteristic of any organism

• change in the DNA.

• a set of instructions in the DNA sequence of an organism.

• a sex cell that aids in organisms’ reproduction.

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