Basic Genetics Terminology

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Heredity

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The passing of traits from parents to offspring.

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Genetics

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The scientific study of heredity.

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Alleles

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Different forms a gene might have for a particular trait.

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Homozygous (purebred)

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Having two identical alleles for a particular trait.

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Heterozygous (hybrid)

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Having two different alleles for a particular trait.

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Dominant

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An allele that overshadows another allele.

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Recessive

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An allele that gets overshadowed by a dominant allele.

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Genotype

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The genetic makeup of an organism.

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Phenotype

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The physical appearance that results from a particular genotype.

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probability

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the likelihood that a particular event will occur