Genetics

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What is Genetics?

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The study of heredity and the variation of inherited characteristics.

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NGSS.HS-LS3-1

NGSS.HS-LS3-2

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What is a genotype?

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The genetic constitution of an individual, represented by the alleles inherited from parents.

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NGSS.HS-LS3-2

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What is a phenotype?

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The observable physical or behavioral characteristics of an organism, resulting from the interaction of its genotype with the environment.

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NGSS.HS-LS4-4

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What is a dominant gene?

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A trait that is observed when there are one OR two copies of the allele.

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What is a recessive gene?

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A trait that is observed only when there are two copies of the allele.

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What is a trait?

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A physical or behavioral characteristic passed down from your parents.

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NGSS.HS-LS3-1

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What is a mutation?

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A change in the DNA sequence that can lead to different traits.

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NGSS.HS-LS3-2

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What is natural selection?

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The process by which organisms better adapted to their environment tend to survive and produce more offspring.

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NGSS.HS-LS4-3

NGSS.HS-LS4-4

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What is artificial selection?

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The intentional breeding of organisms to produce desired traits.

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NGSS.MS-LS4-5

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What is a chromosome?

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A structure made of DNA and proteins that contains genetic information.

Tags

NGSS.HS-LS3-1