How Do Genes Become Traits?

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What is a mutation?

Back

A change in the DNA sequence, such as an A instead of a C.

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NGSS.HS-LS3-2

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If you are a boy, what percent of your genes did you get from your dad?

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50%.

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NGSS.HS-LS3-1

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What is missing from this image that explains how genes become traits?

Back

Proteins.

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NGSS.HS-LS1-1

NGSS.HS-LS3-1

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A permanent change in DNA is called what?

Back

Mutation.

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NGSS.HS-LS3-2

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Where are chromosomes found?

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Inside a nucleus.

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NGSS.MS-LS3-1

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What are genes?

Back

Segments of DNA that contain instructions for building proteins.

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NGSS.HS-LS1-1

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What role do proteins play in traits?

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Proteins are responsible for the physical expression of traits.

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NGSS.HS-LS1-1

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What is DNA?

Back

Deoxyribonucleic acid, the molecule that carries genetic information.

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What is gene expression?

Back

The process by which information from a gene is used to synthesize a functional gene product, usually a protein.

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NGSS.HS-LS1-1

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Front

What are chromosomes made of?

Back

DNA and proteins.