Genetics Basics

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Allele

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A specific version of a gene

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Chromosome

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A structure that is made up of the cell's DNA wrapped around proteins.

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expressed gene

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a gene whose instructions have been followed by the cell to make a product

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Genetics

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the study of the inheritance of genes that results in certain traits

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Gene

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a segment of DNA that contains the instructions for making a product, usually a protein

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Punnett

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a diagram that shows the potential allele combinations an offspring could inherit from its parents

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Heredity

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the passing of traits from parents to offspring

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Mutation

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a change in the DNA sequence that can lead to different traits

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Phenotype

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the observable traits of an organism, which are influenced by its genotype

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Genotype

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the genetic makeup of an organism, consisting of all the genes and their variants