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What is genetic inheritance?

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Genetic inheritance is the process by which traits and characteristics are passed from parents to their offspring through genes.

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NGSS.HS-LS3-1

NGSS.HS-LS3-2

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What are genes?

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Genes are segments of DNA that contain the instructions for building proteins, which determine the traits of an organism.

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NGSS.HS-LS1-1

NGSS.HS-LS3-1

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What is an allele?

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An allele is a variant form of a gene that can result in different traits, such as different colors or shapes.

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NGSS.HS-LS3-2

NGSS.HS-LS4-3

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What is a dominant trait?

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A dominant trait is a characteristic that is expressed when at least one dominant allele is present in the genotype.

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What is a recessive trait?

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A recessive trait is a characteristic that is expressed only when two recessive alleles are present in the genotype.

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What is phenotype?

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Phenotype refers to the observable physical characteristics of an organism, which result from the interaction of its genotype with the environment.

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NGSS.HS-LS4-4

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What is genotype?

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Genotype is the genetic makeup of an organism, consisting of the alleles inherited from its parents.

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How do offspring inherit traits?

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Offspring inherit traits by receiving one allele from each parent, which combine to determine their characteristics.

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NGSS.HS-LS3-1

NGSS.HS-LS3-2

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What is the role of proteins in genetic traits?

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Proteins are responsible for the physical expression of traits, as they perform various functions in the body and influence characteristics.

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NGSS.HS-LS1-1

NGSS.HS-LS1-6

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What is variation in traits?

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Variation in traits refers to the differences in characteristics among individuals of the same species, often due to genetic differences.

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NGSS.HS-LS3-2

NGSS.HS-LS4-2